Attachment 357759 Details for Bug 191298 – Patch

[patch] Patch

bug-191298-20181219170017.patch (text/plain), 133.96 KB, created by Zamiul Haque on 2018-12-19 17:00:17 PST

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Creator: Zamiul Haque

Created: 2018-12-19 17:00:17 PST

Size: 133.96 KB

patch

obsolete

>Subversion Revision: 239387
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index 061d90bf7ea8e8524f26e5d24178db7123fed7be..3443bb0989ea1fca78387f0490b794d3190d16ab 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,12 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-12-19  Caio Lima  <ticaiolima@gmail.com>
> 
>         [BigInt] We should enable CSE into arithmetic operations that speculate BigIntUse
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index dd94ab16122226fd52f58b0c90625d45e6fd1a0d..8a4d6176cc21a0e1630e352fa03556247b0d2d10 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,13 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+        * en.lproj/Localizable.strings:
>+
> 2018-12-19  Jer Noble  <jer.noble@apple.com>
> 
>         Force synchronous decode in WebCoreDecompressionSession::decodeSampleSync()
>diff --git a/Source/WebCore/PAL/ChangeLog b/Source/WebCore/PAL/ChangeLog
>index ca7b06235f926b985ad14bb7e313b8586562c89a..8234ca6707ce0bcfdae52006e41edf586d402e22 100644
>--- a/Source/WebCore/PAL/ChangeLog
>+++ b/Source/WebCore/PAL/ChangeLog
>@@ -1,3 +1,12 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-12-17  Saam barati  <sbarati@apple.com>
> 
>         Enable HTTP and HTTPS proxies on iOS and make it a property of the NSURLSession
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index e116f47f9961f4aa606d5910ca34e40df60df6be..2d8f5278ee9f236460a0ce3ae83b6c3a1ba67008 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,179 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * CMakeLists.txt:
>+        * Configurations/BaseTarget.xcconfig:
>+        * Configurations/FeatureDefines.xcconfig:
>+        * Configurations/PaymentService.xcconfig: Added.
>+        * DerivedSources.make:
>+        * PaymentProcess/EntryPoint/ios/XPCService/PaymentService/Info-iOS.plist: Added.
>+        * PaymentProcess/EntryPoint/ios/XPCService/PaymentServiceEntryPoint.mm: Copied from Source/WebKit/UIProcess/WebContextSupplement.h.
>+        (WebKit::PaymentServiceInitializerDelegate::PaymentServiceInitializerDelegate):
>+        (PaymentServiceInitializer):
>+        * PaymentProcess/PaymentProcess.cpp: Copied from Source/WebKit/UIProcess/WebContextClient.cpp.
>+        (WebKit::PaymentProcess::singleton):
>+        (WebKit::PaymentProcess::PaymentProcess):
>+        (WebKit::PaymentProcess::~PaymentProcess):
>+        (WebKit::PaymentProcess::initializeConnection):
>+        (WebKit::PaymentProcess::shouldTerminate):
>+        (WebKit::PaymentProcess::didReceiveMessage):
>+        (WebKit::PaymentProcess::createPaymentToWebProcessConnection):
>+        * PaymentProcess/PaymentProcess.h: Copied from Source/WebKit/UIProcess/WebContextSupplement.h.
>+        * PaymentProcess/PaymentProcess.messages.in: Added.
>+        * PaymentProcess/PaymentToWebProcessConnection.cpp: Added.
>+        (WebKit::PaymentToWebProcessConnection::create):
>+        (WebKit::PaymentToWebProcessConnection::PaymentToWebProcessConnection):
>+        (WebKit::PaymentToWebProcessConnection::~PaymentToWebProcessConnection):
>+        (WebKit::PaymentToWebProcessConnection::didReceiveMessage):
>+        (WebKit::PaymentToWebProcessConnection::didReceiveSyncMessage):
>+        (WebKit::PaymentToWebProcessConnection::didClose):
>+        (WebKit::PaymentToWebProcessConnection::didReceiveInvalidMessage):
>+        * PaymentProcess/PaymentToWebProcessConnection.h: Added.
>+        (WebKit::PaymentToWebProcessConnection::connection):
>+        * PaymentProcess/PaymentToWebProcessConnection.messages.in: Added.
>+        * PaymentProcess/ios/PaymentProcessIOS.mm: Copied from Source/WebKit/UIProcess/WebContextClient.cpp.
>+        (WebKit::PaymentProcess::initializeProcess):
>+        (WebKit::PaymentProcess::initializeProcessName):
>+        (WebKit::PaymentProcess::initializeSandbox):
>+        * Resources/SandboxProfiles/ios/com.apple.WebKit.Payments.sb: Added.
>+        * Shared/ChildProcess.h:
>+        * Shared/Payment/PaymentProcessCreationParameters.cpp: Copied from Source/WebKit/UIProcess/WebContextClient.cpp.
>+        (WebKit::PaymentProcessCreationParameters::PaymentProcessCreationParameters):
>+        (WebKit::PaymentProcessCreationParameters::encode const):
>+        (WebKit::PaymentProcessCreationParameters::decode):
>+        * Shared/Payment/PaymentProcessCreationParameters.h: Copied from Source/WebKit/Shared/ProcessExecutablePath.h.
>+        * Shared/ProcessExecutablePath.h:
>+        * Sources.txt:
>+        * SourcesCocoa.txt:
>+        * UIProcess/API/C/WKContext.cpp:
>+        (WKContextTerminatePaymentProcess):
>+        (WKContextGetPaymentProcessIdentifier):
>+        * UIProcess/API/C/WKContext.h:
>+        * UIProcess/API/C/WKContextPrivate.h:
>+        * UIProcess/API/Cocoa/WKProcessPool.mm:
>+        (-[WKProcessPool _terminatePaymentProcess]):
>+        (-[WKProcessPool _paymentProcessIdentifier]):
>+        * UIProcess/API/Cocoa/WKProcessPoolPrivate.h:
>+        * UIProcess/Launcher/ProcessLauncher.h:
>+        * UIProcess/Launcher/mac/ProcessLauncherMac.mm:
>+        (WebKit::serviceName):
>+        * UIProcess/Payments/PaymentProcessProxy.cpp: Added.
>+        (WebKit::PaymentProcessProxy::PaymentProcessProxy):
>+        (WebKit::PaymentProcessProxy::~PaymentProcessProxy):
>+        (WebKit::PaymentProcessProxy::terminateForTesting):
>+        (WebKit::PaymentProcessProxy::getPaymentProcessConnection):
>+        (WebKit::PaymentProcessProxy::getLaunchOptions):
>+        (WebKit::PaymentProcessProxy::processWillShutDown):
>+        (WebKit::PaymentProcessProxy::didReceiveMessage):
>+        (WebKit::PaymentProcessProxy::didClose):
>+        (WebKit::PaymentProcessProxy::didReceiveInvalidMessage):
>+        (WebKit::didReceivePaymentProcessProxyMessage):
>+        (WebKit::PaymentProcessProxy::didCreatePaymentToWebProcessConnection):
>+        (WebKit::PaymentProcessProxy::didFinishLaunching):
>+        * UIProcess/Payments/PaymentProcessProxy.h: Added.
>+        * UIProcess/Payments/PaymentProcessProxy.messages.in: Added.
>+        * UIProcess/WebContextClient.cpp:
>+        (WebKit::WebContextClient::paymentProcessDidCrash):
>+        * UIProcess/WebContextClient.h:
>+        * UIProcess/WebContextSupplement.h:
>+        (WebKit::WebContextSupplement::processDidClose):
>+        * UIProcess/WebInspectorProxy.cpp:
>+        (WebKit::WebInspectorProxy::platformShowCertificate):
>+        * UIProcess/WebProcessPool.cpp:
>+        (WebKit::WebProcessPool::sendMemoryPressureEvent):
>+        (WebKit::WebProcessPool::ensurePaymentProcess):
>+        (WebKit::WebProcessPool::getPaymentProcessConnection):
>+        (WebKit::WebProcessPool::paymentProcessCrashed):
>+        (WebKit::WebProcessPool::setAnyPageGroupMightHavePrivateBrowsingEnabled):
>+        (WebKit::WebProcessPool::paymentProcessIdentifier):
>+        (WebKit::WebProcessPool::terminatePaymentProcessForTesting):
>+        * UIProcess/WebProcessPool.h:
>+        (WebKit::WebProcessPool::sendToPaymentProcess):
>+        (WebKit::WebProcessPool::sendToPaymentProcessRelaunchingIfNecessary):
>+        * UIProcess/WebProcessProxy.cpp:
>+        (WebKit::WebProcessProxy::getPaymentProcessConnection):
>+        * UIProcess/WebProcessProxy.h:
>+        * UIProcess/WebProcessProxy.messages.in:
>+        * UIProcess/WebsiteData/WebsiteDataStore.cpp:
>+        (WebKit::WebsiteDataStore::~WebsiteDataStore):
>+        (WebKit::WebsiteDataStore::destroyPaymentProcessSession):
>+        (WebKit::WebsiteDataStore::paymentProcessParameters):
>+        * UIProcess/WebsiteData/WebsiteDataStore.h:
>+        * UIProcess/wpe/WebInspectorProxyWPE.cpp:
>+        (WebKit::WebInspectorProxy::platformShowCertificate):
>+        * WebKit.xcodeproj/project.pbxproj:
>+        * WebProcess/Payments/WebToPaymentProcessConnection.cpp: Added.
>+        (WebKit::WebToPaymentProcessConnection::WebToPaymentProcessConnection):
>+        (WebKit::WebToPaymentProcessConnection::~WebToPaymentProcessConnection):
>+        (WebKit::WebToPaymentProcessConnection::didReceiveMessage):
>+        (WebKit::WebToPaymentProcessConnection::didReceiveSyncMessage):
>+        (WebKit::WebToPaymentProcessConnection::didClose):
>+        (WebKit::WebToPaymentProcessConnection::didReceiveInvalidMessage):
>+        * WebProcess/Payments/WebToPaymentProcessConnection.h: Added.
>+        (WebKit::WebToPaymentProcessConnection::create):
>+        (WebKit::WebToPaymentProcessConnection::connection):
>+        * WebProcess/WebPage/WebPageInspectorTargetController.cpp:
>+        (WebKit::WebPageInspectorTargetController::connectInspector):
>+        (WebKit::WebPageInspectorTargetController::disconnectInspector):
>+        (WebKit::WebPageInspectorTargetController::sendMessageToTargetBackend):
>+        * WebProcess/WebProcess.cpp:
>+        (WebKit::WebProcess::webToPaymentProcessConnectionClosed):
>+        (WebKit::WebProcess::ensureWebToPaymentProcessConnection):
>+        (WebKit::WebProcess::setEnhancedAccessibility): Deleted.
>+        (WebKit::WebProcess::startMemorySampler): Deleted.
>+        (WebKit::WebProcess::stopMemorySampler): Deleted.
>+        (WebKit::WebProcess::setTextCheckerState): Deleted.
>+        (WebKit::WebProcess::releasePageCache): Deleted.
>+        (WebKit::WebProcess::fetchWebsiteData): Deleted.
>+        (WebKit::WebProcess::deleteWebsiteData): Deleted.
>+        (WebKit::WebProcess::deleteWebsiteDataForOrigins): Deleted.
>+        (WebKit::WebProcess::setHiddenPageDOMTimerThrottlingIncreaseLimit): Deleted.
>+        (WebKit::WebProcess::initializeProcessName): Deleted.
>+        (WebKit::WebProcess::initializeSandbox): Deleted.
>+        (WebKit::WebProcess::platformInitializeProcess): Deleted.
>+        (WebKit::WebProcess::updateActivePages): Deleted.
>+        (WebKit::WebProcess::getActivePagesOriginsForTesting): Deleted.
>+        (WebKit::WebProcess::updateCPULimit): Deleted.
>+        (WebKit::WebProcess::updateCPUMonitorState): Deleted.
>+        (WebKit::WebProcess::pageActivityStateDidChange): Deleted.
>+        (WebKit::WebProcess::resetAllGeolocationPermissions): Deleted.
>+        (WebKit::WebProcess::actualPrepareToSuspend): Deleted.
>+        (WebKit::WebProcess::processWillSuspendImminently): Deleted.
>+        (WebKit::WebProcess::prepareToSuspend): Deleted.
>+        (WebKit::WebProcess::cancelPrepareToSuspend): Deleted.
>+        (WebKit::WebProcess::markAllLayersVolatile): Deleted.
>+        (WebKit::WebProcess::cancelMarkAllLayersVolatile): Deleted.
>+        (WebKit::WebProcess::freezeAllLayerTrees): Deleted.
>+        (WebKit::WebProcess::unfreezeAllLayerTrees): Deleted.
>+        (WebKit::WebProcess::processDidResume): Deleted.
>+        (WebKit::WebProcess::sendPrewarmInformation): Deleted.
>+        (WebKit::WebProcess::pageDidEnterWindow): Deleted.
>+        (WebKit::WebProcess::pageWillLeaveWindow): Deleted.
>+        (WebKit::WebProcess::nonVisibleProcessCleanupTimerFired): Deleted.
>+        (WebKit::WebProcess::setResourceLoadStatisticsEnabled): Deleted.
>+        (WebKit::WebProcess::clearResourceLoadStatistics): Deleted.
>+        (WebKit::WebProcess::transformHandlesToObjects): Deleted.
>+        (WebKit::WebProcess::transformObjectsToHandles): Deleted.
>+        (WebKit::WebProcess::setMemoryCacheDisabled): Deleted.
>+        (WebKit::WebProcess::setEnabledServices): Deleted.
>+        (WebKit::WebProcess::ensureAutomationSessionProxy): Deleted.
>+        (WebKit::WebProcess::destroyAutomationSessionProxy): Deleted.
>+        (WebKit::WebProcess::prefetchDNS): Deleted.
>+        (WebKit::WebProcess::hasVisibleWebPage const): Deleted.
>+        (WebKit::WebProcess::libWebRTCNetwork): Deleted.
>+        (WebKit::WebProcess::establishWorkerContextConnectionToNetworkProcess): Deleted.
>+        (WebKit::WebProcess::registerServiceWorkerClients): Deleted.
>+        (WebKit::WebProcess::setScreenProperties): Deleted.
>+        (WebKit::WebProcess::addMockMediaDevice): Deleted.
>+        (WebKit::WebProcess::clearMockMediaDevices): Deleted.
>+        (WebKit::WebProcess::removeMockMediaDevice): Deleted.
>+        (WebKit::WebProcess::resetMockMediaDevices): Deleted.
>+        * WebProcess/WebProcess.h:
>+
> 2018-12-19  Megan Gardner  <megan_gardner@apple.com>
> 
>         Allow clients to set the navigator platform
>diff --git a/Source/WebKitLegacy/mac/ChangeLog b/Source/WebKitLegacy/mac/ChangeLog
>index acb13344f5f116b698e706daac8c34cff8985465..0f1affe425df877f2e0dc8ec8ef750a9cbc051f5 100644
>--- a/Source/WebKitLegacy/mac/ChangeLog
>+++ b/Source/WebKitLegacy/mac/ChangeLog
>@@ -1,3 +1,12 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-12-19  Megan Gardner  <megan_gardner@apple.com>
> 
>         Allow clients to set the navigator platform
>diff --git a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Source/WebCore/Configurations/FeatureDefines.xcconfig b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Source/WebCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Source/WebCore/en.lproj/Localizable.strings b/Source/WebCore/en.lproj/Localizable.strings
>index 553e5620dfee6f9bdaf009bae0c2fcae2f2baa5d..7bdae93fdbf2305baaafb7d58435d4c7f3a136e3 100644
>--- a/Source/WebCore/en.lproj/Localizable.strings
>+++ b/Source/WebCore/en.lproj/Localizable.strings
>@@ -43,6 +43,9 @@
> /* Visible name of Service Worker process. The argument is the application name. */
> "%@ Service Worker (%@)" = "%@ Service Worker (%@)";
> 
>+/* visible name of the payment process. The argument is the application name. */
>+"%@ Payments" = "%@ Payments";
>+
> /* Visible name of the web process. The argument is the application name. */
> "%@ Web Content" = "%@ Web Content";
> 
>diff --git a/Source/WebKit/CMakeLists.txt b/Source/WebKit/CMakeLists.txt
>index 6db1e9118a6994f945f38f1af2dfaca20b8c3d84..c62ffae1f3cfe8c4b9501d9535270ab7798053a1 100644
>--- a/Source/WebKit/CMakeLists.txt
>+++ b/Source/WebKit/CMakeLists.txt
>@@ -14,6 +14,7 @@ set(WebKit_INCLUDE_DIRECTORIES
>     "${WEBKIT_DIR}/NetworkProcess/cache"
>     "${WEBKIT_DIR}/NetworkProcess/watchos"
>     "${WEBKIT_DIR}/NetworkProcess/webrtc"
>+    "${WEBKIT_DIR}/PaymentProcess"
>     "${WEBKIT_DIR}/Platform"
>     "${WEBKIT_DIR}/Platform/IPC"
>     "${WEBKIT_DIR}/PluginProcess"
>@@ -26,6 +27,7 @@ set(WebKit_INCLUDE_DIRECTORIES
>     "${WEBKIT_DIR}/Shared/Databases/IndexedDB"
>     "${WEBKIT_DIR}/Shared/FileAPI"
>     "${WEBKIT_DIR}/Shared/Gamepad"
>+    "${WEBKIT_DIR}/Shared/Payment"
>     "${WEBKIT_DIR}/Shared/Plugins"
>     "${WEBKIT_DIR}/Shared/Plugins/Netscape"
>     "${WEBKIT_DIR}/Shared/Plugins/Netscape/x11"
>@@ -44,6 +46,7 @@ set(WebKit_INCLUDE_DIRECTORIES
>     "${WEBKIT_DIR}/UIProcess/Network"
>     "${WEBKIT_DIR}/UIProcess/Network/CustomProtocols"
>     "${WEBKIT_DIR}/UIProcess/Notifications"
>+    "${WEBKIT_DIR}/UIProcess/Payment"
>     "${WEBKIT_DIR}/UIProcess/Plugins"
>     "${WEBKIT_DIR}/UIProcess/RemoteLayerTree"
>     "${WEBKIT_DIR}/UIProcess/UserContent"
>@@ -120,6 +123,9 @@ set(WebKit_MESSAGES_IN_FILES
>     NetworkProcess/webrtc/NetworkRTCProvider.messages.in
>     NetworkProcess/webrtc/NetworkRTCSocket.messages.in
> 
>+    PaymentProcess/PaymentProcess.messages.in
>+    PaymentProcess/PaymentToWebProcessConnection.messages.in
>+
>     PluginProcess/PluginControllerProxy.messages.in
>     PluginProcess/PluginProcess.messages.in
>     PluginProcess/WebProcessConnection.messages.in
>@@ -150,6 +156,8 @@ set(WebKit_MESSAGES_IN_FILES
> 
>     UIProcess/Network/NetworkProcessProxy.messages.in
> 
>+    UIProcess/Payments/PaymentProcessProxy.messages.in
>+
>     UIProcess/Plugins/PluginProcessProxy.messages.in
> 
>     UIProcess/UserContent/WebUserContentControllerProxy.messages.in
>@@ -220,6 +228,10 @@ set(NetworkProcess_LIBRARIES
>     WebKit
> )
> 
>+set(PaymentProcess_LIBRARIES
>+    WebKit
>+)
>+
> set(PluginProcess_LIBRARIES
>     WebKit
> )
>diff --git a/Source/WebKit/Configurations/FeatureDefines.xcconfig b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Source/WebKit/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Source/WebKit/Configurations/PaymentService.xcconfig b/Source/WebKit/Configurations/PaymentService.xcconfig
>new file mode 100644
>index 0000000000000000000000000000000000000000..74d3888c8df0bdabd3a32714e610cb2efe57438d
>--- /dev/null
>+++ b/Source/WebKit/Configurations/PaymentService.xcconfig
>@@ -0,0 +1,33 @@
>+// Copyright (C) 2018 Apple Inc. All rights reserved.
>+//
>+// Redistribution and use in source and binary forms, with or without
>+// modification, are permitted provided that the following conditions
>+// are met:
>+// 1. Redistributions of source code must retain the above copyright
>+//    notice, this list of conditions and the following disclaimer.
>+// 2. Redistributions in binary form must reproduce the above copyright
>+//    notice, this list of conditions and the following disclaimer in the
>+//    documentation and/or other materials provided with the distribution.
>+//
>+// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
>+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
>+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
>+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
>+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
>+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
>+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+
>+#include "BaseXPCService.xcconfig"
>+
>+WK_PAYMENT_ENTITLEMENTS_RESTRICTED_NO = ;
>+
>+CODE_SIGN_ENTITLEMENTS_COCOA_TOUCH_NO = $(WK_PAYMENT_ENTITLEMENTS_RESTRICTED_$(WK_USE_RESTRICTED_ENTITLEMENTS));
>+OTHER_CODE_SIGN_FLAGS = $(WK_LIBRARY_VALIDATION_CODE_SIGN_FLAGS);
>+
>+PRODUCT_NAME = $(WK_PAYMENT_SERVICE_PRODUCT_NAME);
>+PRODUCT_BUNDLE_IDENTIFIER = $(PRODUCT_NAME);
>+INFOPLIST_FILE[sdk=iphone*] = PaymentProcess/EntryPoint/ios/XPCService/PaymentService/Info-iOS.plist;
>diff --git a/Source/WebKit/DerivedSources.make b/Source/WebKit/DerivedSources.make
>index 2fde5550cf4d70adc09def357a98782273e55472..8605e7b6ccadedab9c8d77ea7da0782d3e534838 100644
>--- a/Source/WebKit/DerivedSources.make
>+++ b/Source/WebKit/DerivedSources.make
>@@ -30,6 +30,7 @@ VPATH = \
>     $(WebKit2)/NetworkProcess/webrtc \
>     $(WebKit2)/NetworkProcess/IndexedDB \
>     $(WebKit2)/NetworkProcess/ServiceWorker \
>+    $(WebKit2)/PaymentProcess \
>     $(WebKit2)/PluginProcess \
>     $(WebKit2)/PluginProcess/mac \
>     $(WebKit2)/Shared/Plugins \
>@@ -73,6 +74,7 @@ VPATH = \
>     $(WebKit2)/UIProcess/Network \
>     $(WebKit2)/UIProcess/Network/CustomProtocols \
>     $(WebKit2)/UIProcess/Notifications \
>+    $(WebKit2)/UIProcess/Payments \
>     $(WebKit2)/UIProcess/Plugins \
>     $(WebKit2)/UIProcess/RemoteLayerTree \
>     $(WebKit2)/UIProcess/Storage \
>@@ -118,6 +120,9 @@ MESSAGE_RECEIVERS = \
>     NetworkSocketStream \
>     PlaybackSessionManager \
>     PlaybackSessionManagerProxy \
>+    PaymentProcess \
>+    PaymentProcessProxy \
>+    PaymentToWebProcessConnection \
>     PluginControllerProxy \
>     PluginProcess \
>     PluginProcessConnection \
>diff --git a/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentService/Info-iOS.plist b/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentService/Info-iOS.plist
>new file mode 100644
>index 0000000000000000000000000000000000000000..7669a6359ba4e0f31f282efeec60241674445881
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentService/Info-iOS.plist
>@@ -0,0 +1,43 @@
>+<?xml version="1.0" encoding="UTF-8"?>
>+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
>+<plist version="1.0">
>+<dict>
>+	<key>CFBundleGetInfoString</key>
>+	<string>${BUNDLE_VERSION}, Copyright 2003-2018 Apple Inc.</string>
>+	<key>CFBundleDevelopmentRegion</key>
>+	<string>English</string>
>+	<key>CFBundleExecutable</key>
>+	<string>${EXECUTABLE_NAME}</string>
>+	<key>CFBundleIdentifier</key>
>+	<string>${PRODUCT_BUNDLE_IDENTIFIER}</string>
>+	<key>CFBundleInfoDictionaryVersion</key>
>+	<string>6.0</string>
>+	<key>CFBundleName</key>
>+	<string>${PRODUCT_NAME}</string>
>+	<key>CFBundlePackageType</key>
>+	<string>XPC!</string>
>+	<key>CFBundleShortVersionString</key>
>+	<string>${SHORT_VERSION_STRING}</string>
>+	<key>CFBundleSignature</key>
>+	<string>????</string>
>+	<key>CFBundleVersion</key>
>+	<string>${BUNDLE_VERSION}</string>
>+	<key>LSFileQuarantineEnabled</key>
>+	<true/>
>+	<key>NSPrincipalClass</key>
>+	<string>NSApplication</string>
>+	<key>WebKitEntryPoint</key>
>+	<string>PaymentServiceInitializer</string>
>+	<key>LSUIElement</key>
>+	<true/>
>+	<key>XPCService</key>
>+	<dict>
>+		<key>ServiceType</key>
>+		<string>Application</string>
>+		<key>RunLoopType</key>
>+		<string>NSRunLoop</string>
>+		<key>_MultipleInstances</key>
>+		<true/>
>+	</dict>
>+</dict>
>+</plist>
>diff --git a/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentServiceEntryPoint.mm b/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentServiceEntryPoint.mm
>new file mode 100644
>index 0000000000000000000000000000000000000000..c7925ed3c285ed671e8085b646a9647c459e2e58
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/EntryPoint/ios/XPCService/PaymentServiceEntryPoint.mm
>@@ -0,0 +1,55 @@
>+/*
>+ * Copyright (C) 2013 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#import "config.h"
>+
>+#import "EnvironmentUtilities.h"
>+#import "PaymentProcess.h"
>+#import "WKBase.h"
>+#import "XPCServiceEntryPoint.h"
>+
>+namespace WebKit {
>+
>+class PaymentServiceInitializerDelegate : public XPCServiceInitializerDelegate {
>+public:
>+    PaymentServiceInitializerDelegate(OSObjectPtr<xpc_connection_t> connection, xpc_object_t initializerMessage)
>+        : XPCServiceInitializerDelegate(WTFMove(connection), initializerMessage)
>+    {
>+    }
>+};
>+
>+} // namespace WebKit
>+
>+using namespace WebKit;
>+
>+extern "C" WK_EXPORT void PaymentServiceInitializer(xpc_connection_t connection, xpc_object_t initializerMessage, xpc_object_t priorityBoostMessage);
>+
>+void PaymentServiceInitializer(xpc_connection_t connection, xpc_object_t initializerMessage, xpc_object_t priorityBoostMessage)
>+{
>+    // Remove the SecItemShim from the DYLD_INSERT_LIBRARIES environment variable so any processes spawned by
>+    // the this process don't try to insert the shim and crash.
>+    EnvironmentUtilities::stripValuesEndingWithString("DYLD_INSERT_LIBRARIES", "/SecItemShim.dylib");
>+    XPCServiceInitializer<PaymentProcess, PaymentServiceInitializerDelegate>(adoptOSObject(connection), initializerMessage, priorityBoostMessage);
>+}
>diff --git a/Source/WebKit/PaymentProcess/PaymentProcess.cpp b/Source/WebKit/PaymentProcess/PaymentProcess.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..32a34121029852973c68518ba0cb56ae4cbdf1cf
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentProcess.cpp
>@@ -0,0 +1,82 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include "config.h"
>+#include "PaymentProcess.h"
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+using namespace WebCore;
>+
>+namespace WebKit {
>+
>+PaymentProcess& PaymentProcess::singleton()
>+{
>+    static NeverDestroyed<PaymentProcess> process;
>+    return process;
>+}
>+
>+PaymentProcess::PaymentProcess()
>+{
>+}
>+
>+PaymentProcess::~PaymentProcess()
>+{
>+}
>+
>+void PaymentProcess::initializeConnection(IPC::Connection* connection)
>+{
>+    ChildProcess::initializeConnection(connection);
>+}
>+
>+bool PaymentProcess::shouldTerminate()
>+{
>+    return true;
>+}
>+
>+void PaymentProcess::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
>+{
>+    if (messageReceiverMap().dispatchMessage(connection, decoder))
>+        return;
>+
>+    if (decoder.messageReceiverName() == Messages::PaymentProcess::messageReceiverName()) {
>+        didReceivePaymentProcessMessage(connection, decoder);
>+        return;
>+    }
>+
>+    if (decoder.messageReceiverName() == Messages::ChildProcess::messageReceiverName()) {
>+        ChildProcess::didReceiveMessage(connection, decoder);
>+        return;
>+    }
>+}
>+
>+void PaymentProcess::createPaymentToWebProcessConnection(bool isServiceWorkerProcess, WebCore::SecurityOriginData&& securityOrigin)
>+{
>+    notImplemented();
>+}
>+
>+} // namespace WebKit
>+
>+#endif // PAYMENT(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/PaymentProcess/PaymentProcess.h b/Source/WebKit/PaymentProcess/PaymentProcess.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..2f6de47e001740715dc6767ce610f476127ea5b6
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentProcess.h
>@@ -0,0 +1,68 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#include "ChildProcess.h"
>+#include <WebCore/SecurityOriginData.h>
>+#include <pal/SessionID.h>
>+#include <wtf/CrossThreadTask.h>
>+#include <wtf/Function.h>
>+
>+namespace WebKit {
>+
>+class PaymentToWebProcessConnection;
>+
>+class PaymentProcess : public ChildProcess {
>+    WTF_MAKE_NONCOPYABLE(PaymentProcess);
>+    friend NeverDestroyed<PaymentProcess>;
>+public:
>+    static PaymentProcess& singleton();
>+    static constexpr ProcessType processType = ProcessType::Payment;
>+
>+    ~PaymentProcess();
>+
>+    void didReceivePaymentProcessMessage(IPC::Connection&, IPC::Decoder&);
>+
>+private:
>+    PaymentProcess();
>+
>+    // ChildProcess
>+    void initializeConnection(IPC::Connection*) override;
>+    bool shouldTerminate() override;
>+
>+    // IPC::Connection::Client
>+    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
>+
>+    // Message Handlers
>+    void createPaymentToWebProcessConnection(bool isServiceWorkerProcess, WebCore::SecurityOriginData&&);
>+    
>+};
>+
>+} // namespace WebKit
>+
>+#endif // PAYMENT(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/PaymentProcess/PaymentProcess.messages.in b/Source/WebKit/PaymentProcess/PaymentProcess.messages.in
>new file mode 100644
>index 0000000000000000000000000000000000000000..98b914fc4a8f44718cfa12576d338dae592aa0e3
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentProcess.messages.in
>@@ -0,0 +1,28 @@
>+# Copyright (C) 2018 Apple Inc. All rights reserved.
>+#
>+# Redistribution and use in source and binary forms, with or without
>+# modification, are permitted provided that the following conditions
>+# are met:
>+# 1.  Redistributions of source code must retain the above copyright
>+#     notice, this list of conditions and the following disclaimer.
>+# 2.  Redistributions in binary form must reproduce the above copyright
>+#     notice, this list of conditions and the following disclaimer in the
>+#     documentation and/or other materials provided with the distribution.
>+#
>+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
>+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
>+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
>+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
>+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
>+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
>+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+messages -> PaymentProcess {
>+    
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.cpp b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..c31c4088a2d6bcd941bc777c9ea3951a9199e78e
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.cpp
>@@ -0,0 +1,90 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include "config.h"
>+#include "PaymentToWebProcessConnection.h"
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#include "Logging.h"
>+#include "PaymentProcess.h"
>+#include "PaymentProcessMessages.h"
>+#include "PaymentToWebProcessConnectionMessages.h"
>+#include <wtf/RunLoop.h>
>+
>+using namespace PAL;
>+using namespace WebCore;
>+
>+namespace WebKit {
>+
>+Ref<PaymentToWebProcessConnection> PaymentToWebProcessConnection::create(IPC::Connection::Identifier connectionIdentifier)
>+{
>+    return adoptRef(*new PaymentToWebProcessConnection(connectionIdentifier));
>+}
>+
>+PaymentToWebProcessConnection::PaymentToWebProcessConnection(IPC::Connection::Identifier connectionIdentifier)
>+    : m_connection(IPC::Connection::createServerConnection(connectionIdentifier, *this))
>+{
>+    // NOTE: we must set this to true because the WebContent process may re-enter when sending
>+    // a sync IPC and this is a huge source of security bugs
>+    m_connection->setOnlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(true)
>+    m_connection->open();
>+}
>+
>+PaymentToWebProcessConnection::~PaymentToWebProcessConnection()
>+{
>+    m_connection->invalidate();
>+}
>+
>+void PaymentToWebProcessConnection::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
>+{
>+    if (decoder.messageReceiverName() == Messages::PaymentProcess::messageReceiverName()) {
>+        PaymentProcess::singleton().didReceivePaymentProcessMessage(connection, decoder);
>+        return;
>+    }
>+
>+    ASSERT_NOT_REACHED();
>+}
>+
>+void PaymentToWebProcessConnection::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& replyEncoder)
>+{
>+    ASSERT_NOT_REACHED();
>+}
>+
>+void PaymentToWebProcessConnection::didClose(IPC::Connection& connection)
>+{
>+    UNUSED_PARAM(connection);
>+}
>+
>+void PaymentToWebProcessConnection::didReceiveInvalidMessage(IPC::Connection& connection, IPC::StringReference messageReceiverName, IPC::StringReference messageName)
>+{
>+    UNUSED_PARAM(connection);
>+    UNUSED_PARAM(messageReceiverName);
>+    UNUSED_PARAM(messageName);
>+}
>+
>+} // namespace WebKit
>+
>+#endif // PAYMENT(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.h b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..849a9eb4a137644116caced038307ab34081cffc
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.h
>@@ -0,0 +1,64 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#pragma once
>+
>+#include "Connection.h"
>+#include "MessageSender.h"
>+#include <pal/SessionID.h>
>+#include <wtf/HashMap.h>
>+
>+namespace WebKit {
>+
>+class PaymentToWebProcessConnection : public RefCounted<PaymentToWebProcessConnection>, private IPC::Connection::Client, private IPC::MessageSender {
>+public:
>+    static Ref<PaymentToWebProcessConnection> create(IPC::Connection::Identifier);
>+    ~PaymentToWebProcessConnection();
>+
>+    IPC::Connection& connection() { return m_connection.get(); }
>+
>+private:
>+    PaymentToWebProcessConnection(IPC::Connection::Identifier);
>+
>+    // IPC::Connection::Client
>+    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
>+    void didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, std::unique_ptr<IPC::Encoder>&) override;
>+    void didClose(IPC::Connection&) override;
>+    void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
>+    void didReceivePaymentToWebProcessConnectionMessage(IPC::Connection&, IPC::Decoder&);
>+    void didReceiveSyncPaymentToWebProcessConnectionMessage(IPC::Connection&, IPC::Decoder&, std::unique_ptr<IPC::Encoder>&);
>+
>+    // IPC::MessageSender
>+    IPC::Connection* messageSenderConnection() override { return m_connection.ptr(); }
>+    uint64_t messageSenderDestinationID() override { return 0; }
>+
>+    Ref<IPC::Connection> m_connection;
>+};
>+
>+} // namespace WebKit
>+
>+#endif // PAYMENT(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.messages.in b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.messages.in
>new file mode 100644
>index 0000000000000000000000000000000000000000..817f0d8689958383aa81dcc82d3cb7d5c444d888
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/PaymentToWebProcessConnection.messages.in
>@@ -0,0 +1,26 @@
>+# Copyright (C) 2018 Apple Inc. All rights reserved.
>+#
>+# Redistribution and use in source and binary forms, with or without
>+# modification, are permitted provided that the following conditions
>+# are met:
>+# 1.  Redistributions of source code must retain the above copyright
>+#     notice, this list of conditions and the following disclaimer.
>+# 2.  Redistributions in binary form must reproduce the above copyright
>+#     notice, this list of conditions and the following disclaimer in the
>+#     documentation and/or other materials provided with the distribution.
>+#
>+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
>+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
>+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
>+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
>+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
>+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
>+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+messages -> PaymentToWebProcessConnection {
>+}
>+#endif
>diff --git a/Source/WebKit/PaymentProcess/ios/PaymentProcessIOS.mm b/Source/WebKit/PaymentProcess/ios/PaymentProcessIOS.mm
>new file mode 100644
>index 0000000000000000000000000000000000000000..ecdbd5463a29a11cd25a5c70610c0f10290326e4
>--- /dev/null
>+++ b/Source/WebKit/PaymentProcess/ios/PaymentProcessIOS.mm
>@@ -0,0 +1,61 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#import "config.h"
>+#import "PaymentProcess.h"
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#if PLATFORM(IOS)
>+
>+#import "SandboxInitializationParameters.h"
>+
>+#define ENABLE_MANUAL_DATABASE_SANDBOXING 0
>+
>+namespace WebKit {
>+
>+void PaymentProcess::initializeProcess(const ChildProcessInitializationParameters&)
>+{
>+}
>+
>+void PaymentProcess::initializeProcessName(const ChildProcessInitializationParameters& parameters)
>+{
>+}
>+
>+void PaymentProcess::initializeSandbox(const ChildProcessInitializationParameters& parameters, SandboxInitializationParameters& sandboxParameters)
>+{
>+#if ENABLE_MANUAL_DATABASE_SANDBOXING
>+    // Need to override the default, because service has a different bundle ID.
>+    NSBundle *webkit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKWebView")];
>+    sandboxParameters.setOverrideSandboxProfilePath([webkit2Bundle pathForResource:@"com.apple.WebKit.Payments" ofType:@"sb"]);
>+    ChildProcess::initializeSandbox(parameters, sandboxParameters);
>+#endif
>+}
>+
>+} // namespace WebKit
>+
>+#endif // PLATFORM(IOS)
>+
>+#endif // PAYMENT(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.Payments.sb b/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.Payments.sb
>new file mode 100644
>index 0000000000000000000000000000000000000000..10672c686b1667ad97f5dfd75a4b3a7bdc0607b3
>--- /dev/null
>+++ b/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.Payments.sb
>@@ -0,0 +1,32 @@
>+; Copyright (C) 2018 Apple Inc. All rights reserved.
>+;
>+; Redistribution and use in source and binary forms, with or without
>+; modification, are permitted provided that the following conditions
>+; are met:
>+; 1. Redistributions of source code must retain the above copyright
>+;    notice, this list of conditions and the following disclaimer.
>+; 2. Redistributions in binary form must reproduce the above copyright
>+;    notice, this list of conditions and the following disclaimer in the
>+;    documentation and/or other materials provided with the distribution.
>+;
>+; THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+; BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+; THE POSSIBILITY OF SUCH DAMAGE.
>+
>+(version 1)
>+(deny default (with partial-symbolication))
>+(allow system-audit file-read-metadata)
>+
>+(import "common.sb")
>+
>+(deny mach-lookup (xpc-service-name-prefix ""))
>+
>+(deny lsopen)
>diff --git a/Source/WebKit/Shared/ChildProcess.h b/Source/WebKit/Shared/ChildProcess.h
>index a72bc929dbd7c74c22669b82317a61ffabdf3769..31e81f2b6ea959dcdc4e21686872449f8ab95a6c 100644
>--- a/Source/WebKit/Shared/ChildProcess.h
>+++ b/Source/WebKit/Shared/ChildProcess.h
>@@ -48,6 +48,9 @@ public:
>     enum class ProcessType : uint8_t {
>         WebContent,
>         Network,
>+#if ENABLE(PAYMENT_PROCESS)
>+        Payment,
>+#endif // ENABLE(PAYMENT_PROCESS)
>         Plugin
>     };
> 
>diff --git a/Source/WebKit/Shared/ProcessExecutablePath.h b/Source/WebKit/Shared/ProcessExecutablePath.h
>index 2ce716e4c72e582abe30f4879d2c6eb9e499a97b..62b5474efaa724eab528b4f6701791f0ce9aade0 100644
>--- a/Source/WebKit/Shared/ProcessExecutablePath.h
>+++ b/Source/WebKit/Shared/ProcessExecutablePath.h
>@@ -32,5 +32,8 @@ namespace WebKit {
> String executablePathOfWebProcess();
> String executablePathOfPluginProcess();
> String executablePathOfNetworkProcess();
>+#if ENABLE(PAYMENT_PROCESS)
>+String executablePathOfPaymentProcess();
>+#endif // !ENABLE(PAYMENT_PROCESS)
> 
> }
>diff --git a/Source/WebKit/Sources.txt b/Source/WebKit/Sources.txt
>index 055ec5e576102f78649847ae3e34ae3e3c2c24a3..27dfbf1d5e31ec9b5877d96ed8c3e9a986f69da1 100644
>--- a/Source/WebKit/Sources.txt
>+++ b/Source/WebKit/Sources.txt
>@@ -73,6 +73,9 @@ NetworkProcess/cache/NetworkCacheSubresourcesEntry.cpp
> 
> NetworkProcess/webrtc/NetworkMDNSRegister.cpp
> 
>+PaymentProcess/PaymentProcess.cpp
>+PaymentProcess/PaymentToWebProcessConnection.cpp
>+
> // TODO: We should unify these files once GTK's PluginProcess2 is removed.
> Platform/Logging.cpp @no-unify
> Platform/Module.cpp @no-unify
>@@ -374,6 +377,8 @@ UIProcess/Notifications/WebNotification.cpp
> UIProcess/Notifications/WebNotificationManagerProxy.cpp
> UIProcess/Notifications/WebNotificationProvider.cpp
> 
>+UIProcess/Payments/PaymentProcessProxy.cpp
>+
> UIProcess/Plugins/PlugInAutoStartProvider.cpp
> UIProcess/Plugins/PluginInfoStore.cpp
> UIProcess/Plugins/PluginProcessManager.cpp
>@@ -475,6 +480,8 @@ WebProcess/Network/webrtc/WebRTCSocket.cpp
> WebProcess/Notifications/NotificationPermissionRequestManager.cpp
> WebProcess/Notifications/WebNotificationManager.cpp
> 
>+WebProcess/Payments/WebToPaymentProcessConnection.cpp
>+
> // TODO: These files should be unified once GTK's PluginProcess2 is removed.
> WebProcess/Plugins/Plugin.cpp @no-unify
> WebProcess/Plugins/PluginProcessConnection.cpp @no-unify
>diff --git a/Source/WebKit/SourcesCocoa.txt b/Source/WebKit/SourcesCocoa.txt
>index f1a057a45db0fa35ce10dcf419693efe818a6da3..a3f5b91e1977244d1ec63403205bea03a841b0ef 100644
>--- a/Source/WebKit/SourcesCocoa.txt
>+++ b/Source/WebKit/SourcesCocoa.txt
>@@ -184,6 +184,8 @@ Shared/mac/WebGestureEvent.cpp
> Shared/mac/WebHitTestResultData.mm
> Shared/mac/WebMemorySampler.mac.mm
> 
>+PaymentProcess/ios/PaymentProcessIOS.mm
>+
> Shared/Plugins/mac/PluginSandboxProfile.mm
> 
> Shared/Plugins/Netscape/mac/NetscapePluginModuleMac.mm
>diff --git a/Source/WebKit/UIProcess/API/C/WKContext.cpp b/Source/WebKit/UIProcess/API/C/WKContext.cpp
>index 5f1bee46b6a697c46306e89db7dcb2f3aebf4090..e36fd4aa81046ee6abbad2d89fd04c9d0ecd91d9 100644
>--- a/Source/WebKit/UIProcess/API/C/WKContext.cpp
>+++ b/Source/WebKit/UIProcess/API/C/WKContext.cpp
>@@ -616,11 +616,27 @@ void WKContextTerminateServiceWorkerProcess(WKContextRef context)
>     WebKit::toImpl(context)->terminateServiceWorkerProcesses();
> }
> 
>+void WKContextTerminatePaymentProcess(WKContextRef context)
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    toImpl(context)->terminatePaymentProcessForTesting();
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+
> ProcessID WKContextGetNetworkProcessIdentifier(WKContextRef contextRef)
> {
>     return WebKit::toImpl(contextRef)->networkProcessIdentifier();
> }
> 
>+ProcessID WKContextGetPaymentProcessIdentifier(WKContextRef contextRef)
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    return toImpl(contextRef)->paymentProcessIdentifier();
>+#else
>+    return 0;
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+
> void WKContextAddSupportedPlugin(WKContextRef contextRef, WKStringRef domainRef, WKStringRef nameRef, WKArrayRef mimeTypesRef, WKArrayRef extensionsRef)
> {
> #if ENABLE(NETSCAPE_PLUGIN_API)
>diff --git a/Source/WebKit/UIProcess/API/C/WKContext.h b/Source/WebKit/UIProcess/API/C/WKContext.h
>index c2de3afbc3e89ca649c4fa138c595115f33cb89d..c7cbd686b026273a054cd1988aa79a09d2154022 100644
>--- a/Source/WebKit/UIProcess/API/C/WKContext.h
>+++ b/Source/WebKit/UIProcess/API/C/WKContext.h
>@@ -50,6 +50,7 @@ typedef WKDataRef (*WKContextCopyWebCryptoMasterKeyCallback)(WKContextRef contex
> 
> typedef void (*WKContextChildProcessDidCrashCallback)(WKContextRef context, const void *clientInfo);
> typedef WKContextChildProcessDidCrashCallback WKContextNetworkProcessDidCrashCallback;
>+typedef WKContextChildProcessDidCrashCallback WKContextPaymentProcessDidCrashCallback;
> 
> typedef struct WKContextClientBase {
>     int                                                                 version;
>diff --git a/Source/WebKit/UIProcess/API/C/WKContextPrivate.h b/Source/WebKit/UIProcess/API/C/WKContextPrivate.h
>index f9c7d3296e5c0cd7f3367de39a031d283fbe6666..8ed4b4f764151e1836b598ddba0a6c62c637dd5b 100644
>--- a/Source/WebKit/UIProcess/API/C/WKContextPrivate.h
>+++ b/Source/WebKit/UIProcess/API/C/WKContextPrivate.h
>@@ -93,6 +93,8 @@ WK_EXPORT void WKContextSetUsesNetworkProcess(WKContextRef, bool);
> WK_EXPORT void WKContextTerminateNetworkProcess(WKContextRef);
> WK_EXPORT void WKContextTerminateServiceWorkerProcess(WKContextRef);
> 
>+WK_EXPORT void WKContextTerminatePaymentProcess(WKContextRef);
>+
> WK_EXPORT void WKContextSetAllowsAnySSLCertificateForWebSocketTesting(WKContextRef, bool);
> WK_EXPORT void WKContextSetAllowsAnySSLCertificateForServiceWorkerTesting(WKContextRef, bool);
> 
>@@ -112,6 +114,7 @@ WK_EXPORT void WKContextSetFontWhitelist(WKContextRef, WKArrayRef);
> WK_EXPORT void WKContextPreconnectToServer(WKContextRef context, WKURLRef serverURL);
> 
> WK_EXPORT WKProcessID WKContextGetNetworkProcessIdentifier(WKContextRef context);
>+WK_EXPORT WKProcessID WKContextGetPaymentProcessIdentifier(WKContextRef context);
> 
> WK_EXPORT void WKContextAddSupportedPlugin(WKContextRef context, WKStringRef domain, WKStringRef name, WKArrayRef mimeTypes, WKArrayRef extensions);
> WK_EXPORT void WKContextClearSupportedPlugins(WKContextRef context);
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>index a18381ab35a97dba2fc3fab67320b4322764d785..9e70c604bb99bfd48ea400e2a1581986b1e0c454 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>+++ b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>@@ -426,6 +426,13 @@ - (void)_clearSupportedPlugins
>     _processPool->clearSupportedPlugins();
> }
> 
>+- (void)_terminatePaymentProcess
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    _processPool->terminatePaymentProcessForTesting();
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+
> - (void)_terminateNetworkProcess
> {
>     _processPool->terminateNetworkProcess();
>@@ -446,6 +453,15 @@ - (pid_t)_networkProcessIdentifier
>     return _processPool->networkProcessIdentifier();
> }
> 
>+- (pid_t)_paymentProcessIdentifier
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    return _processPool->paymentProcessIdentifier();
>+#else
>+    return 0;
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+
> - (void)_syncNetworkProcessCookies
> {
>     _processPool->syncNetworkProcessCookies();
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>index 3de2c0362bf35e67b0434c1ef8bc83d606a14c36..62d8357af6c6b86d0c8f4d75159f975e11d6e1e7 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>+++ b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>@@ -85,12 +85,14 @@
> - (_WKDownload *)_resumeDownloadFromData:(NSData *)resumeData path:(NSString *)path originatingWebView:(WKWebView *)webView WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
> 
> // Test only. Should be called only while no web content processes are running.
>+- (void)_terminatePaymentProcess WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
> - (void)_terminateNetworkProcess;
> - (void)_terminateServiceWorkerProcesses WK_API_AVAILABLE(macosx(10.14), ios(12.0));
> - (void)_disableServiceWorkerProcessTerminationDelay WK_API_AVAILABLE(macosx(10.14), ios(12.0));
> 
> // Test only.
> - (pid_t)_networkProcessIdentifier WK_API_AVAILABLE(macosx(10.13), ios(11.0));
>+- (pid_t)_paymentProcessIdentifier WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
> 
> // Test only.
> - (size_t)_webProcessCount WK_API_AVAILABLE(macosx(10.13), ios(11.0));
>diff --git a/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h b/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>index e07dba272a2e15be829de234c5dd50d5738e1a0c..14a39fa8ce75a59c31a18683dcad065180df3d87 100644
>--- a/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>+++ b/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>@@ -58,6 +58,9 @@ public:
>         Plugin64,
> #endif
>         Network,
>+#if ENABLE(PAYMENT_PROCESS)
>+        Payment,
>+#endif // ENABLE(PAYMENT_PROCESS)
>     };
> 
>     struct LaunchOptions {
>diff --git a/Source/WebKit/UIProcess/Launcher/mac/ProcessLauncherMac.mm b/Source/WebKit/UIProcess/Launcher/mac/ProcessLauncherMac.mm
>index 6cbac25d784c0eeea58a684ab468445ae2e39262..846764579e6196f70fd047f43dafb9c6d94d164e 100644
>--- a/Source/WebKit/UIProcess/Launcher/mac/ProcessLauncherMac.mm
>+++ b/Source/WebKit/UIProcess/Launcher/mac/ProcessLauncherMac.mm
>@@ -62,6 +62,10 @@ static const char* serviceName(const ProcessLauncher::LaunchOptions& launchOptio
>     case ProcessLauncher::ProcessType::Plugin64:
>         return "com.apple.WebKit.Plugin.64";
> #endif
>+#if ENABLE(PAYMENT_PROCESS)
>+    case ProcessLauncher::ProcessType::Payment:
>+        return "com.apple.WebKit.Payments";
>+#endif // ENABLE(PAYMENT_PROCESS)
>     }
> }
> 
>diff --git a/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.cpp b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..7e7b54552f69f5916acf4af376a55a340706e8dd
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.cpp
>@@ -0,0 +1,134 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include "config.h"
>+#include "PaymentProcessProxy.h"
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#include "PaymentProcessMessages.h"
>+#include "PaymentProcessProxyMessages.h"
>+#include "ServiceWorkerProcessProxy.h"
>+#include "WebProcessPool.h"
>+#include "WebsiteData.h"
>+#include <WebCore/NotImplemented.h>
>+
>+namespace WebKit {
>+using namespace WebCore;
>+
>+PaymentProcessProxy::PaymentProcessProxy(WebProcessPool& processPool)
>+    : ChildProcessProxy(processPool.alwaysRunsAtBackgroundPriority())
>+    , m_processPool(processPool)
>+    , m_numPendingConnectionRequests(0)
>+{
>+    connect();
>+}
>+
>+PaymentProcessProxy::~PaymentProcessProxy()
>+{
>+}
>+
>+void PaymentProcessProxy::terminateForTesting()
>+{
>+    terminate();
>+}
>+
>+void PaymentProcessProxy::getPaymentProcessConnection(WebProcessProxy& webProcessProxy, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&& reply)
>+{
>+    m_pendingConnectionReplies.append(WTFMove(reply));
>+    
>+    if (state() == State::Launching) {
>+        m_numPendingConnectionRequests++;
>+        return;
>+    }
>+    
>+    bool isServiceWorkerProcess = false;
>+    SecurityOriginData securityOrigin;
>+    
>+    send(Messages::PaymentProcess::CreatePaymentToWebProcessConnection(isServiceWorkerProcess, securityOrigin), 0, IPC::SendOption::DispatchMessageEvenWhenWaitingForSyncReply);
>+}
>+    
>+void PaymentProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions)
>+{
>+    launchOptions.processType = ProcessLauncher::ProcessType::Payment;
>+    ChildProcessProxy::getLaunchOptions(launchOptions);
>+}
>+
>+void PaymentProcessProxy::processWillShutDown(IPC::Connection& connection)
>+{
>+    ASSERT_UNUSED(connection, this->connection() == &connection);
>+}
>+
>+void PaymentProcessProxy::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
>+{
>+    if (decoder.messageReceiverName() == Messages::PaymentProcessProxy::messageReceiverName()) {
>+        didReceivePaymentProcessProxyMessage(connection, decoder);
>+        return;
>+    }
>+}
>+
>+void PaymentProcessProxy::didClose(IPC::Connection&)
>+{
>+    auto protectedProcessPool = makeRef(m_processPool);
>+
>+    // The payment process must have crashed or exited, so send any pending sync replies we might have.
>+    while (!m_pendingConnectionReplies.isEmpty()) {
>+        auto reply = m_pendingConnectionReplies.takeFirst();
>+        notImplemented();
>+    }
>+    // Tell ProcessPool to forget about this payment process. This may cause us to be deleted.
>+    m_processPool.paymentProcessCrashed(*this);
>+}
>+
>+void PaymentProcessProxy::didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName)
>+{
>+}
>+
>+void didReceivePaymentProcessProxyMessage(IPC::Connection&, IPC::Decoder&)
>+{
>+}
>+    
>+void PaymentProcessProxy::didCreatePaymentToWebProcessConnection(const IPC::Attachment& connectionIdentifier)
>+{
>+    notImplemented();
>+}
>+
>+void PaymentProcessProxy::didFinishLaunching(ProcessLauncher* launcher, IPC::Connection::Identifier connectionIdentifier)
>+{
>+    ChildProcessProxy::didFinishLaunching(launcher, connectionIdentifier);
>+
>+    if (!IPC::Connection::identifierIsValid(connectionIdentifier)) {
>+        // FIXME: Do better cleanup here.
>+        return;
>+    }
>+
>+    for (unsigned i = 0; i < m_numPendingConnectionRequests; ++i)
>+        send(Messages::PaymentProcess::CreatePaymentToWebProcessConnection(false, { }), 0);
>+    
>+    m_numPendingConnectionRequests = 0;
>+}
>+
>+} // namespace WebKit
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.h b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..e031c7c67b4f0e9426b11d10f1e554595784f05c
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.h
>@@ -0,0 +1,84 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#pragma once
>+
>+#include "ChildProcessProxy.h"
>+#include "ProcessLauncher.h"
>+#include "WebProcessProxyMessages.h"
>+#include <wtf/Deque.h>
>+#include <wtf/Forward.h>
>+
>+namespace PAL {
>+class SessionID;
>+}
>+
>+namespace WebCore {
>+class SecurityOrigin;
>+struct SecurityOriginData;
>+}
>+
>+namespace WebKit {
>+
>+class WebProcessPool;
>+class WebProcessProxy;
>+enum class WebsiteDataType;
>+struct WebsiteData;
>+
>+class PaymentProcessProxy final : public ChildProcessProxy {
>+public:
>+    explicit PaymentProcessProxy(WebProcessPool&);
>+    ~PaymentProcessProxy();
>+    
>+    void terminateForTesting();
>+    void getPaymentProcessConnection(WebProcessProxy&, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&&);
>+
>+private:
>+    // ChildProcessProxy
>+    void getLaunchOptions(ProcessLauncher::LaunchOptions&) override;
>+    void processWillShutDown(IPC::Connection&) override;
>+
>+    // IPC::Connection::Client
>+    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
>+    void didClose(IPC::Connection&) override;
>+    void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
>+
>+    void didReceivePaymentProcessProxyMessage(IPC::Connection&, IPC::Decoder&);
>+
>+    // Message handlers
>+    void didCreatePaymentToWebProcessConnection(const IPC::Attachment&);
>+
>+    // ProcessLauncher::Client
>+    void didFinishLaunching(ProcessLauncher*, IPC::Connection::Identifier) override;
>+
>+    WebProcessPool& m_processPool;
>+
>+    unsigned m_numPendingConnectionRequests;
>+    Deque<Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply> m_pendingConnectionReplies;
>+};
>+
>+} // namespace WebKit
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.messages.in b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.messages.in
>new file mode 100644
>index 0000000000000000000000000000000000000000..5b0d51772aaeec70ebc60f3546b8e1276f80646c
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/Payments/PaymentProcessProxy.messages.in
>@@ -0,0 +1,28 @@
>+# Copyright (C) 2018 Apple Inc. All rights reserved.
>+#
>+# Redistribution and use in source and binary forms, with or without
>+# modification, are permitted provided that the following conditions
>+# are met:
>+# 1.  Redistributions of source code must retain the above copyright
>+#     notice, this list of conditions and the following disclaimer.
>+# 2.  Redistributions in binary form must reproduce the above copyright
>+#     notice, this list of conditions and the following disclaimer in the
>+#     documentation and/or other materials provided with the distribution.
>+#
>+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
>+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
>+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
>+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
>+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
>+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
>+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+messages -> PaymentProcessProxy {
>+    DidCreatePaymentToWebProcessConnection(IPC::Attachment connectionIdentifier)
>+
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/UIProcess/WebContextClient.cpp b/Source/WebKit/UIProcess/WebContextClient.cpp
>index fa45762eceba013a6aca4f964da856639741d575..bec79b54cbf6c6ec5efeff4a97570f699b553f11 100644
>--- a/Source/WebKit/UIProcess/WebContextClient.cpp
>+++ b/Source/WebKit/UIProcess/WebContextClient.cpp
>@@ -46,4 +46,11 @@ void WebContextClient::networkProcessDidCrash(WebProcessPool* processPool)
>     m_client.networkProcessDidCrash(toAPI(processPool), m_client.base.clientInfo);
> }
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+void WebContextClient::paymentProcessDidCrash(WebProcessPool* processPool)
>+{
>+    
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> } // namespace WebKit
>diff --git a/Source/WebKit/UIProcess/WebContextClient.h b/Source/WebKit/UIProcess/WebContextClient.h
>index 80c31122c0776d4ee8d778d566821015221637d6..59b3a4079108f238f1d6f8abf1ab9edcc8453916 100644
>--- a/Source/WebKit/UIProcess/WebContextClient.h
>+++ b/Source/WebKit/UIProcess/WebContextClient.h
>@@ -45,6 +45,10 @@ class WebContextClient : public API::Client<WKContextClientBase> {
> public:
>     void plugInAutoStartOriginHashesChanged(WebProcessPool*);
>     void networkProcessDidCrash(WebProcessPool*);
>+#if ENABLE(PAYMENT_PROCESS)
>+    void paymentProcessDidCrash(WebProcessPool*);
>+#endif // ENABLE(PAYMENT_PROCESS)
>+    
> };
> 
> } // namespace WebKit
>diff --git a/Source/WebKit/UIProcess/WebContextSupplement.h b/Source/WebKit/UIProcess/WebContextSupplement.h
>index ed55b403db29f9400438ba32a60c758274934fa6..2c6acbb05cb026acda75c067d1f0d9d459a127e7 100644
>--- a/Source/WebKit/UIProcess/WebContextSupplement.h
>+++ b/Source/WebKit/UIProcess/WebContextSupplement.h
>@@ -29,6 +29,10 @@
> namespace WebKit {
> 
> class NetworkProcessProxy;
>+#if ENABLE(PAYMENT_PROCESS)
>+class PaymentProcessProxy;
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> class WebProcessPool;
> class WebProcessProxy;
> 
>@@ -54,6 +58,12 @@ public:
>     virtual void processDidClose(NetworkProcessProxy*)
>     {
>     }
>+    
>+#if ENABLE(PAYMENT_PROCESS)
>+    virtual void processDidClose(PaymentProcessProxy*)
>+    {
>+    }
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
>     WebProcessPool* processPool() const { return m_processPool; }
>     void clearProcessPool() { m_processPool = nullptr; }
>diff --git a/Source/WebKit/UIProcess/WebInspectorProxy.cpp b/Source/WebKit/UIProcess/WebInspectorProxy.cpp
>index 308c504c128cb05a16a12a4897b47c586c48453e..bce1f896b0fb63812d99f579f6516f3fa9c67c81 100644
>--- a/Source/WebKit/UIProcess/WebInspectorProxy.cpp
>+++ b/Source/WebKit/UIProcess/WebInspectorProxy.cpp
>@@ -645,7 +645,7 @@ void WebInspectorProxy::platformInspectedURLChanged(const String&)
>     notImplemented();
> }
> 
>-void WebInspectorProxy::platformShowCertificate(const CertificateInfo&)
>+void WebInspectorProxy::platformShowCertificate(const WebCore::CertificateInfo&)
> {
>     notImplemented();
> }
>diff --git a/Source/WebKit/UIProcess/WebProcessPool.cpp b/Source/WebKit/UIProcess/WebProcessPool.cpp
>index 82830a53f61494b12020d48152078a5c93e2a5ca..651020623a7ea6511b073366130c6569a74def07 100644
>--- a/Source/WebKit/UIProcess/WebProcessPool.cpp
>+++ b/Source/WebKit/UIProcess/WebProcessPool.cpp
>@@ -54,6 +54,9 @@
> #include "SandboxExtension.h"
> #include "ServiceWorkerProcessProxy.h"
> #include "StatisticsData.h"
>+#if ENABLE(PAYMENT_PROCESS)
>+#include "PaymentProcessMessages.h"
>+#endif // ENABLE(PAYMENT_PROCESS)
> #include "TextChecker.h"
> #include "UIGamepad.h"
> #include "UIGamepadProvider.h"
>@@ -442,6 +445,9 @@ void WebProcessPool::sendMemoryPressureEvent(bool isCritical)
> {
>     sendToAllProcesses(Messages::ChildProcess::DidReceiveMemoryPressureEvent(isCritical));
>     sendToNetworkingProcess(Messages::ChildProcess::DidReceiveMemoryPressureEvent(isCritical));
>+#if ENABLE(PAYMENT_PROCESS)
>+    sendToPaymentProcess(Messages::ChildProcess::DidReceiveMemoryPressureEvent(isCritical));
>+#endif // ENABLE(PAYMENT_PROCESS)
> #if ENABLE(NETSCAPE_PLUGIN_API)
>     PluginProcessManager::singleton().sendMemoryPressureEvent(isCritical);
> #endif
>@@ -617,6 +623,36 @@ void WebProcessPool::getNetworkProcessConnection(WebProcessProxy& webProcessProx
>     m_networkProcess->getNetworkProcessConnection(webProcessProxy, WTFMove(reply));
> }
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+void WebProcessPool::ensurePaymentProcess()
>+{
>+    if (!m_paymentProcess)
>+        m_paymentProcess = std::make_unique<PaymentProcessProxy>(*this);
>+}
>+    
>+void WebProcessPool::getPaymentProcessConnection(WebProcessProxy& webProcessProxy, PAL::SessionID initialSessionID, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&& reply)
>+{
>+    ensurePaymentProcess();
>+    m_paymentProcess->getPaymentProcessConnection(webProcessProxy, WTFMove(reply));
>+}
>+
>+void WebProcessPool::paymentProcessCrashed(PaymentProcessProxy& paymentProcessProxy)
>+{
>+    ASSERT(m_paymentProcess);
>+    ASSERT(paymentProcessProxy == m_paymentProcess.get());
>+
>+    for (auto& supplement : m_supplements.values())
>+        supplement->processDidClose(paymentProcessProxy);
>+
>+    m_client.paymentProcessDidCrash(this);
>+
>+    if (m_automationSession)
>+        m_automationSession->terminate();
>+
>+    m_paymentProcess = nullptr;
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> #if ENABLE(SERVICE_WORKER)
> void WebProcessPool::establishWorkerContextConnectionToNetworkProcess(NetworkProcessProxy& proxy, SecurityOriginData&& securityOrigin, std::optional<PAL::SessionID> sessionID)
> {
>@@ -693,6 +729,9 @@ void WebProcessPool::setAnyPageGroupMightHavePrivateBrowsingEnabled(bool private
>         sendToAllProcesses(Messages::WebProcess::AddWebsiteDataStore(WebsiteDataStoreParameters::legacyPrivateSessionParameters()));
>     } else {
>         networkProcess()->removeSession(PAL::SessionID::legacyPrivateSessionID());
>+#if ENABLE(PAYMENT_PROCESS)
>+        sendToPaymentProcess(Messages::PaymentProcess::DestroySession(PAL::SessionID::defaultSessionID()));
>+#endif // ENABLE(PAYMENT_PROCESS)
>         sendToAllProcesses(Messages::WebProcess::DestroySession(PAL::SessionID::legacyPrivateSessionID()));
>     }
> }
>@@ -1354,6 +1393,15 @@ void WebProcessPool::activePagesOriginsInWebProcessForTesting(ProcessID pid, Com
>     }
>     completionHandler({ });
> }
>+#if ENABLE(PAYMENT_PROCESS)
>+ProcessID WebProcessPool::paymentProcessIdentifier()
>+{
>+    if (!m_paymentProcess)
>+        return 0;
>+
>+    return m_paymentProcess->processIdentifier();
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
> void WebProcessPool::setAlwaysUsesComplexTextCodePath(bool alwaysUseComplexText)
> {
>@@ -1625,6 +1673,17 @@ void WebProcessPool::clearCachedCredentials()
>     if (m_networkProcess)
>         m_networkProcess->send(Messages::NetworkProcess::ClearCachedCredentials(), 0);
> }
>+    
>+#if ENABLE(PAYMENT_PROCESS)
>+void WebProcessPool::terminatePaymentProcessForTesting()
>+{
>+    if (!m_paymentProcess)
>+        return;
>+
>+    m_paymentProcess->terminateForTesting();
>+    m_paymentProcess = nullptr;
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
> void WebProcessPool::terminateNetworkProcess()
> {
>diff --git a/Source/WebKit/UIProcess/WebProcessPool.h b/Source/WebKit/UIProcess/WebProcessPool.h
>index 06343249baa725afb6cb444c5523253d17e080bc..5f70033dadcff0abbc84e733d5643251e4b59815 100644
>--- a/Source/WebKit/UIProcess/WebProcessPool.h
>+++ b/Source/WebKit/UIProcess/WebProcessPool.h
>@@ -40,6 +40,9 @@
> #include "ProcessThrottler.h"
> #include "ServiceWorkerProcessProxy.h"
> #include "StatisticsRequest.h"
>+#if ENABLE(PAYMENT_PROCESS)
>+#include "PaymentProcessProxy.h"
>+#endif // ENABLE(PAYMENT_PROCESS)
> #include "VisitedLinkStore.h"
> #include "WebContextClient.h"
> #include "WebContextConnectionClient.h"
>@@ -173,6 +176,11 @@ public:
>     template<typename T, typename U> void sendSyncToNetworkingProcess(T&& message, U&& reply);
>     template<typename T> void sendToNetworkingProcessRelaunchingIfNecessary(T&& message);
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    template<typename T> void sendToPaymentProcess(T&& message);
>+    template<typename T> void sendToPaymentProcessRelaunchingIfNecessary(T&& message);
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
>     void processDidFinishLaunching(WebProcessProxy*);
> 
>     // Disconnect the process from the context.
>@@ -217,6 +225,9 @@ public:
>     ProcessID networkProcessIdentifier();
>     void activePagesOriginsInWebProcessForTesting(ProcessID, CompletionHandler<void(Vector<String>&&)>&&);
>     bool networkProcessHasEntitlementForTesting(const String&);
>+#if ENABLE(PAYMENT_PROCESS)
>+    ProcessID paymentProcessIdentifier();
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
>     WebPageGroup& defaultPageGroup() { return m_defaultPageGroup.get(); }
> 
>@@ -276,6 +287,9 @@ public:
>     void setAllowsAnySSLCertificateForWebSocket(bool);
> 
>     void clearCachedCredentials();
>+#if ENABLE(PAYMENT_PROCESS)
>+    void terminatePaymentProcessForTesting();
>+#endif // ENABLE(PAYMENT_PROCESS)
>     void terminateNetworkProcess();
>     void terminateServiceWorkerProcesses();
>     void disableServiceWorkerProcessTerminationDelay();
>@@ -344,6 +358,12 @@ public:
> 
>     void getNetworkProcessConnection(WebProcessProxy&, Messages::WebProcessProxy::GetNetworkProcessConnection::DelayedReply&&);
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    void ensurePaymentProcess();
>+    PaymentProcessProxy* paymentProcess() { return m_paymentProcess.get(); }
>+    void getPaymentProcessConnection(WebProcessProxy&, PAL::SessionID initialSessionID, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&&);
>+    void paymentProcessCrashed(PaymentProcessProxy*);
>+#endif // ENABLE(PAYMENT_PROCESS)
> #if ENABLE(SERVICE_WORKER)
>     void establishWorkerContextConnectionToNetworkProcess(NetworkProcessProxy&, WebCore::SecurityOriginData&&, std::optional<PAL::SessionID>);
>     ServiceWorkerProcessProxy* serviceWorkerProcessProxyFromPageID(uint64_t pageID) const;
>@@ -644,6 +664,9 @@ private:
>     bool m_canHandleHTTPSServerTrustEvaluation { true };
>     bool m_didNetworkProcessCrash { false };
>     std::unique_ptr<NetworkProcessProxy> m_networkProcess;
>+#if ENABLE(PAYMENT_PROCESS)
>+    std::unique_ptr<PaymentProcessProxy> m_paymentProcess;
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
>     HashMap<uint64_t, RefPtr<DictionaryCallback>> m_dictionaryCallbacks;
>     HashMap<uint64_t, RefPtr<StatisticsRequest>> m_statisticsRequests;
>@@ -745,6 +768,22 @@ void WebProcessPool::sendToNetworkingProcessRelaunchingIfNecessary(T&& message)
>     m_networkProcess->send(std::forward<T>(message), 0);
> }
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+template<typename T>
>+void WebProcessPool::sendToPaymentProcess(T&& message)
>+{
>+    if (m_paymentProcess && m_paymentProcess->canSendMessage())
>+        m_paymentProcess->send(std::forward<T>(message), 0);
>+}
>+
>+template<typename T>
>+void WebProcessPool::sendToPaymentProcessRelaunchingIfNecessary(T&& message)
>+{
>+    ensurePaymentProcess();
>+    m_paymentProcess->send(std::forward<T>(message), 0);
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> template<typename T>
> void WebProcessPool::sendToAllProcesses(const T& message)
> {
>diff --git a/Source/WebKit/UIProcess/WebProcessProxy.cpp b/Source/WebKit/UIProcess/WebProcessProxy.cpp
>index dd567f8b73cc064f36cac62d6d47ade3c93684c1..5cf1c5a486ccb75509f5ff55067d7072abf95f7e 100644
>--- a/Source/WebKit/UIProcess/WebProcessProxy.cpp
>+++ b/Source/WebKit/UIProcess/WebProcessProxy.cpp
>@@ -631,6 +631,12 @@ void WebProcessProxy::getNetworkProcessConnection(Messages::WebProcessProxy::Get
> {
>     m_processPool->getNetworkProcessConnection(*this, WTFMove(reply));
> }
>+#if ENABLE(PAYMENT_PROCESS)
>+void WebProcessProxy::getPaymentProcessConnection(PAL::SessionID initialSessionID, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&& reply)
>+{
>+    m_processPool->getPaymentProcessConnection(*this, initialSessionID, WTFMove(reply));
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
> #if !PLATFORM(COCOA)
> bool WebProcessProxy::platformIsBeingDebugged() const
>diff --git a/Source/WebKit/UIProcess/WebProcessProxy.h b/Source/WebKit/UIProcess/WebProcessProxy.h
>index 2361ae773a77efecbfa5649aee762e596e7bda97..229eea377fb5c7a1e7b20659c881c58bc7f4fc7c 100644
>--- a/Source/WebKit/UIProcess/WebProcessProxy.h
>+++ b/Source/WebKit/UIProcess/WebProcessProxy.h
>@@ -290,6 +290,9 @@ private:
> #endif
>     void getNetworkProcessConnection(Messages::WebProcessProxy::GetNetworkProcessConnection::DelayedReply&&);
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    void getPaymentProcessConnection(PAL::SessionID initialSessionID, Messages::WebProcessProxy::GetPaymentProcessConnection::DelayedReply&&);
>+#endif // ENABLE(PAYMENT_PROCESS)
>     bool platformIsBeingDebugged() const;
>     bool shouldAllowNonValidInjectedCode() const;
> 
>diff --git a/Source/WebKit/UIProcess/WebProcessProxy.messages.in b/Source/WebKit/UIProcess/WebProcessProxy.messages.in
>index 6a98f4e96047dabf164a7610a87f2a9f6860b48a..8f5e1d6660b150d75730a63e1f093d43f6a36d27 100644
>--- a/Source/WebKit/UIProcess/WebProcessProxy.messages.in
>+++ b/Source/WebKit/UIProcess/WebProcessProxy.messages.in
>@@ -37,6 +37,9 @@ messages -> WebProcessProxy LegacyReceiver {
>     GetPluginProcessConnection(uint64_t pluginProcessToken) -> (IPC::Attachment connectionHandle, bool supportsAsynchronousInitialization) Delayed
> #endif
>     GetNetworkProcessConnection() -> (IPC::Attachment connectionHandle) Delayed
>+#if ENABLE(PAYMENT_PROCESS)
>+    GetPaymentProcessConnection(PAL::SessionID initialSessionID) -> (IPC::Attachment connectionHandle) Delayed
>+#endif // ENABLE(PAYMENT_PROCESS)
>     ProcessReadyToSuspend()
>     DidCancelProcessSuspension()
> 
>diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>index 14960d3380ff93e5643f2ba93faa3f60cc2aa34a..b97b9f920de9b5a50e714d4e5b94ed7e480ae0f1 100644
>--- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>+++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>@@ -58,6 +58,10 @@
> #include "PluginProcessManager.h"
> #endif
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+#include "PaymentProcessMessages.h"
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> #if HAVE(SEC_KEY_PROXY)
> #include "SecKeyProxyStore.h"
> #endif
>@@ -132,6 +136,9 @@ WebsiteDataStore::~WebsiteDataStore()
>         ASSERT(nonDefaultDataStores().get(m_sessionID) == this);
>         nonDefaultDataStores().remove(m_sessionID);
>         for (auto& processPool : WebProcessPool::allProcessPools()) {
>+#if ENABLE(PAYMENT_PROCESS)
>+            destroyPaymentProcessSession(processPool);
>+#endif
>             if (auto* networkProcess = processPool->networkProcess())
>                 networkProcess->removeSession(m_sessionID);
>         }
>@@ -1319,6 +1326,13 @@ void WebsiteDataStore::removeAllStorageAccessHandler(CompletionHandler<void()>&&
>     }
> }
> 
>+void WebsiteDataStore::destroyPaymentProcessSession(WebProcessPool* pool)
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    pool->sendToPaymentProcess(Messages::PaymentProcess::DestroySession(m_sessionID));
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+    
> void WebsiteDataStore::removePrevalentDomains(const Vector<String>& domains)
> {
>     for (auto& processPool : processPools())
>diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>index 40f575aba4c290f78c531bfb5a9d047a94d79d7f..7a09071cc61c2d9efa114883e2ce7eafafe5abb9 100644
>--- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>+++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>@@ -148,6 +148,7 @@ public:
>     bool isAssociatedProcessPool(WebProcessPool&) const;
> 
>     WebsiteDataStoreParameters parameters();
>+    void destroyPaymentProcessSession(WebProcessPool*);
> 
>     Vector<WebCore::Cookie> pendingCookies() const;
>     void addPendingCookie(const WebCore::Cookie&);
>diff --git a/Source/WebKit/WebKit.xcodeproj/project.pbxproj b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>index ffb8f95036b852b7854c494f4420ba958a1282d5..75ac6e554056570919631a05504dcedd8657b4c2 100644
>--- a/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>+++ b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>@@ -849,6 +849,7 @@
> 		37F90DE31376560E0051CF68 /* HTTPCookieAcceptPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = F638954F133BEF38008941D5 /* HTTPCookieAcceptPolicy.h */; };
> 		37FC19471850FBF2008CFA47 /* WKBrowsingContextLoadDelegatePrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 37FC19461850FBF2008CFA47 /* WKBrowsingContextLoadDelegatePrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		37FC194B18510D6A008CFA47 /* WKNSURLAuthenticationChallenge.h in Headers */ = {isa = PBXBuildFile; fileRef = 37FC194918510D6A008CFA47 /* WKNSURLAuthenticationChallenge.h */; };
>+		391360252193C1430056492A /* com.apple.WebKit.Payments.sb in Resources */ = {isa = PBXBuildFile; fileRef = 391360242193C1430056492A /* com.apple.WebKit.Payments.sb */; };
> 		3F418EF91887BD97002795FD /* VideoFullscreenManagerMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 3F418EF51887BD97002795FD /* VideoFullscreenManagerMessageReceiver.cpp */; };
> 		3F418EFB1887BD97002795FD /* VideoFullscreenManagerProxyMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 3F418EF71887BD97002795FD /* VideoFullscreenManagerProxyMessageReceiver.cpp */; };
> 		3F87B9BE158940190090FF62 /* WebColorChooser.h in Headers */ = {isa = PBXBuildFile; fileRef = 3F87B9BB15893F630090FF62 /* WebColorChooser.h */; };
>@@ -908,6 +909,10 @@
> 		510F59111DDE297000412FF5 /* _WKLinkIconParameters.h in Headers */ = {isa = PBXBuildFile; fileRef = 51C0C9791DDD78540032CAD3 /* _WKLinkIconParameters.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		510FBB9B1288C95E00AFFDF4 /* WebContextMenuItemData.h in Headers */ = {isa = PBXBuildFile; fileRef = 510FBB991288C95E00AFFDF4 /* WebContextMenuItemData.h */; };
> 		5110AE0D133C16CB0072717A /* WKIconDatabase.h in Headers */ = {isa = PBXBuildFile; fileRef = 5110AE0B133C16CB0072717A /* WKIconDatabase.h */; settings = {ATTRIBUTES = (Private, ); }; };
>+		5118E9A81F295977003EF9F5 /* PaymentProcessMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5118E9A51F295963003EF9F5 /* PaymentProcessMessageReceiver.cpp */; };
>+		5118E9A91F295977003EF9F5 /* PaymentProcessMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 5118E9A61F295963003EF9F5 /* PaymentProcessMessages.h */; };
>+		5118E9AA1F295977003EF9F5 /* PaymentProcessProxyMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5118E9A71F295963003EF9F5 /* PaymentProcessProxyMessageReceiver.cpp */; };
>+		5118E9AB1F295977003EF9F5 /* PaymentProcessProxyMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 5118E9A21F295963003EF9F5 /* PaymentProcessProxyMessages.h */; };
> 		511F7D411EB1BCF500E47B83 /* WebsiteDataStoreParameters.h in Headers */ = {isa = PBXBuildFile; fileRef = 511F7D401EB1BCEE00E47B83 /* WebsiteDataStoreParameters.h */; };
> 		511F8A7B138B460900A95F44 /* SecItemShimLibrary.h in Headers */ = {isa = PBXBuildFile; fileRef = 511F8A77138B460900A95F44 /* SecItemShimLibrary.h */; };
> 		511F8A81138B485D00A95F44 /* SecItemShimLibrary.mm in Sources */ = {isa = PBXBuildFile; fileRef = 511F8A78138B460900A95F44 /* SecItemShimLibrary.mm */; };
>@@ -959,6 +964,7 @@
> 		517CF0E3163A486C00C2950E /* NetworkProcessConnectionMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 517CF0E1163A486C00C2950E /* NetworkProcessConnectionMessageReceiver.cpp */; };
> 		517CF0E3163A486C00C2950F /* CacheStorageEngineConnectionMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 517CF0E1163A486C00C2950F /* CacheStorageEngineConnectionMessageReceiver.cpp */; };
> 		517CF0E4163A486C00C2950E /* NetworkProcessConnectionMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 517CF0E2163A486C00C2950E /* NetworkProcessConnectionMessages.h */; };
>+		517DD5BF180DA7D30081660B /* PaymentProcessProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = 517DD5BD180DA7D30081660B /* PaymentProcessProxy.h */; };
> 		51871B5C127CB89D00F76232 /* WebContextMenu.h in Headers */ = {isa = PBXBuildFile; fileRef = 51871B5A127CB89D00F76232 /* WebContextMenu.h */; };
> 		518ACAEA12AEE6BB00B04B83 /* WKProtectionSpaceTypes.h in Headers */ = {isa = PBXBuildFile; fileRef = 518ACAE912AEE6BB00B04B83 /* WKProtectionSpaceTypes.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		518ACF1112B015F800B04B83 /* WKCredentialTypes.h in Headers */ = {isa = PBXBuildFile; fileRef = 518ACF1012B015F800B04B83 /* WKCredentialTypes.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -986,6 +992,8 @@
> 		51DD9F2816367DA2001578E9 /* NetworkConnectionToWebProcessMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51DD9F2616367DA2001578E9 /* NetworkConnectionToWebProcessMessageReceiver.cpp */; };
> 		51DD9F2916367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 51DD9F2716367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h */; };
> 		51E351CB180F2CCC00E53BE9 /* IDBUtilities.h in Headers */ = {isa = PBXBuildFile; fileRef = 51E351C9180F2CCC00E53BE9 /* IDBUtilities.h */; };
>+		51E351FF180F5D0F00E53BE9 /* PaymentProcess.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51E351FA180F5D0B00E53BE9 /* PaymentProcess.cpp */; };
>+		51E35200180F5D0F00E53BE9 /* PaymentToWebProcessConnection.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51E351FD180F5D0B00E53BE9 /* PaymentToWebProcessConnection.cpp */; };
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>@@ -1568,6 +1576,7 @@
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> 		D3B9484911FF4B6500032B39 /* WebSearchPopupMenu.h in Headers */ = {isa = PBXBuildFile; fileRef = D3B9484511FF4B6500032B39 /* WebSearchPopupMenu.h */; };
> 		E105FE5418D7B9DE008F57A8 /* EditingRange.h in Headers */ = {isa = PBXBuildFile; fileRef = E105FE5318D7B9DE008F57A8 /* EditingRange.h */; };
>+		E115C714190F89E400ECC516 /* PaymentProcessIOS.mm in Sources */ = {isa = PBXBuildFile; fileRef = E1FEF39C190F791C00731658 /* PaymentProcessIOS.mm */; };
> 		E11D35AE16B63D1B006D23D7 /* com.apple.WebProcess.sb in Resources */ = {isa = PBXBuildFile; fileRef = E1967E37150AB5E200C73169 /* com.apple.WebProcess.sb */; };
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> 		E1513C67166EABB200149FCB /* ChildProcessProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = E1513C65166EABB200149FCB /* ChildProcessProxy.h */; };
>@@ -2984,6 +2993,11 @@
> 		37FC19461850FBF2008CFA47 /* WKBrowsingContextLoadDelegatePrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKBrowsingContextLoadDelegatePrivate.h; sourceTree = "<group>"; };
> 		37FC194818510D6A008CFA47 /* WKNSURLAuthenticationChallenge.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WKNSURLAuthenticationChallenge.mm; sourceTree = "<group>"; };
> 		37FC194918510D6A008CFA47 /* WKNSURLAuthenticationChallenge.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKNSURLAuthenticationChallenge.h; sourceTree = "<group>"; };
>+		391360242193C1430056492A /* com.apple.WebKit.Payments.sb */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = com.apple.WebKit.Payments.sb; sourceTree = "<group>"; };
>+		392E942B219A399A0050F982 /* WebToPaymentProcessConnection.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WebToPaymentProcessConnection.h; sourceTree = "<group>"; };
>+		392E942D219A399A0050F982 /* WebToPaymentProcessConnection.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = WebToPaymentProcessConnection.cpp; sourceTree = "<group>"; };
>+		39BD0AF521AE202E00E3243F /* Info-iOS.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Info-iOS.plist"; sourceTree = "<group>"; };
>+		39BD0AF621AE202E00E3243F /* PaymentServiceEntryPoint.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = PaymentServiceEntryPoint.mm; sourceTree = "<group>"; };
> 		3F418EF51887BD97002795FD /* VideoFullscreenManagerMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = VideoFullscreenManagerMessageReceiver.cpp; path = DerivedSources/WebKit2/VideoFullscreenManagerMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
> 		3F418EF61887BD97002795FD /* VideoFullscreenManagerMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = VideoFullscreenManagerMessages.h; path = DerivedSources/WebKit2/VideoFullscreenManagerMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
> 		3F418EF71887BD97002795FD /* VideoFullscreenManagerProxyMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = VideoFullscreenManagerProxyMessageReceiver.cpp; path = DerivedSources/WebKit2/VideoFullscreenManagerProxyMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
>@@ -3111,6 +3125,7 @@
> 		4F601430155C5A32001FBDE0 /* BlockingResponseMap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BlockingResponseMap.h; sourceTree = "<group>"; };
> 		510031F61379CACB00C8DFE4 /* SecItemShim.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = SecItemShim.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
> 		51021E9B12B16788005C033C /* WebContextMenuClientMac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebContextMenuClientMac.mm; sourceTree = "<group>"; };
>+		51032F1A180F74F100961BB7 /* PaymentToWebProcessConnection.messages.in */ = {isa = PBXFileReference; lastKnownFileType = text; path = PaymentToWebProcessConnection.messages.in; sourceTree = "<group>"; };
> 		5104F5A11F19D7CF004CF821 /* CookieStorageUtilsCF.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CookieStorageUtilsCF.mm; sourceTree = "<group>"; };
> 		510523711C73D22B007993CB /* WebIDBConnectionToServer.messages.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = WebIDBConnectionToServer.messages.in; sourceTree = "<group>"; };
> 		510523721C73D37B007993CB /* WebIDBConnectionToServerMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = WebIDBConnectionToServerMessageReceiver.cpp; path = DerivedSources/WebKit2/WebIDBConnectionToServerMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
>@@ -3134,11 +3149,15 @@
> 		5110AE0A133C16CB0072717A /* WKIconDatabase.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKIconDatabase.cpp; sourceTree = "<group>"; };
> 		5110AE0B133C16CB0072717A /* WKIconDatabase.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKIconDatabase.h; sourceTree = "<group>"; };
> 		5118E9A21F295963003EF9F5 /* StorageProcessProxyMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = StorageProcessProxyMessages.h; path = DerivedSources/WebKit2/StorageProcessProxyMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
>+		5118E9A21F295963003EF9F5 /* PaymentProcessProxyMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentProcessProxyMessages.h; sourceTree = "<group>"; };
> 		5118E9A31F295963003EF9F5 /* StorageToWebProcessConnectionMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = StorageToWebProcessConnectionMessageReceiver.cpp; path = DerivedSources/WebKit2/StorageToWebProcessConnectionMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
> 		5118E9A41F295963003EF9F5 /* StorageToWebProcessConnectionMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = StorageToWebProcessConnectionMessages.h; path = DerivedSources/WebKit2/StorageToWebProcessConnectionMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
> 		5118E9A51F295963003EF9F5 /* StorageProcessMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = StorageProcessMessageReceiver.cpp; path = DerivedSources/WebKit2/StorageProcessMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
> 		5118E9A61F295963003EF9F5 /* StorageProcessMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = StorageProcessMessages.h; path = DerivedSources/WebKit2/StorageProcessMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
> 		5118E9A71F295963003EF9F5 /* StorageProcessProxyMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = StorageProcessProxyMessageReceiver.cpp; path = DerivedSources/WebKit2/StorageProcessProxyMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
>+		5118E9A51F295963003EF9F5 /* PaymentProcessMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentProcessMessageReceiver.cpp; sourceTree = "<group>"; };
>+		5118E9A61F295963003EF9F5 /* PaymentProcessMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentProcessMessages.h; sourceTree = "<group>"; };
>+		5118E9A71F295963003EF9F5 /* PaymentProcessProxyMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentProcessProxyMessageReceiver.cpp; sourceTree = "<group>"; };
> 		511F7D3F1EB1BCEE00E47B83 /* WebsiteDataStoreParameters.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebsiteDataStoreParameters.cpp; sourceTree = "<group>"; };
> 		511F7D401EB1BCEE00E47B83 /* WebsiteDataStoreParameters.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebsiteDataStoreParameters.h; sourceTree = "<group>"; };
> 		511F8A77138B460900A95F44 /* SecItemShimLibrary.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SecItemShimLibrary.h; path = ../../WebProcess/mac/SecItemShimLibrary.h; sourceTree = "<group>"; };
>@@ -3156,6 +3175,7 @@
> 		512935D61288D19400A4B695 /* WebContextMenuItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebContextMenuItem.h; sourceTree = "<group>"; };
> 		512935E11288D97800A4B695 /* InjectedBundlePageContextMenuClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InjectedBundlePageContextMenuClient.cpp; sourceTree = "<group>"; };
> 		512935E21288D97800A4B695 /* InjectedBundlePageContextMenuClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = InjectedBundlePageContextMenuClient.h; sourceTree = "<group>"; };
>+		512A9766180E05D20039A149 /* PaymentProcessProxy.messages.in */ = {isa = PBXFileReference; lastKnownFileType = text; path = PaymentProcessProxy.messages.in; sourceTree = "<group>"; };
> 		512F588E12A8838800629530 /* AuthenticationChallengeProxy.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = AuthenticationChallengeProxy.cpp; sourceTree = "<group>"; };
> 		512F588F12A8838800629530 /* AuthenticationChallengeProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AuthenticationChallengeProxy.h; sourceTree = "<group>"; };
> 		512F589012A8838800629530 /* AuthenticationDecisionListener.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = AuthenticationDecisionListener.cpp; sourceTree = "<group>"; };
>@@ -3226,6 +3246,8 @@
> 		517CF0E1163A486C00C2950E /* NetworkProcessConnectionMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NetworkProcessConnectionMessageReceiver.cpp; path = DerivedSources/WebKit2/NetworkProcessConnectionMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
> 		517CF0E1163A486C00C2950F /* CacheStorageEngineConnectionMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CacheStorageEngineConnectionMessageReceiver.cpp; path = DerivedSources/WebKit2/CacheStorageEngineConnectionMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
> 		517CF0E2163A486C00C2950E /* NetworkProcessConnectionMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = NetworkProcessConnectionMessages.h; path = DerivedSources/WebKit2/NetworkProcessConnectionMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
>+		517DD5BC180DA7D30081660B /* PaymentProcessProxy.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentProcessProxy.cpp; sourceTree = "<group>"; };
>+		517DD5BD180DA7D30081660B /* PaymentProcessProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PaymentProcessProxy.h; sourceTree = "<group>"; };
> 		5183B3931379F85C00E8754E /* Shim.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = Shim.xcconfig; sourceTree = "<group>"; };
> 		51871B59127CB89D00F76232 /* WebContextMenu.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebContextMenu.cpp; sourceTree = "<group>"; };
> 		51871B5A127CB89D00F76232 /* WebContextMenu.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebContextMenu.h; sourceTree = "<group>"; };
>@@ -3245,6 +3267,7 @@
> 		51A55600128C6D92009ABCEC /* WKContextMenuItemTypes.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKContextMenuItemTypes.h; sourceTree = "<group>"; };
> 		51A5877E1D1C4CB9004BA9AF /* WebIDBResult.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebIDBResult.cpp; sourceTree = "<group>"; };
> 		51A5877F1D1C4CB9004BA9AF /* WebIDBResult.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebIDBResult.h; sourceTree = "<group>"; };
>+		51A60B29180CCD9000F3BF50 /* PaymentService.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = PaymentService.xcconfig; sourceTree = "<group>"; };
> 		51A728DC1B1BAD2D00102EEE /* WKBundleNavigationActionPrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKBundleNavigationActionPrivate.h; sourceTree = "<group>"; };
> 		51A7F2F2125BF820008AEB1D /* Logging.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Logging.h; sourceTree = "<group>"; };
> 		51A7F2F4125BF8D4008AEB1D /* Logging.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Logging.cpp; sourceTree = "<group>"; };
>@@ -3304,6 +3327,11 @@
> 		51DD9F2716367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = NetworkConnectionToWebProcessMessages.h; path = DerivedSources/WebKit2/NetworkConnectionToWebProcessMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
> 		51E351C8180F2CCC00E53BE9 /* IDBUtilities.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IDBUtilities.cpp; sourceTree = "<group>"; };
> 		51E351C9180F2CCC00E53BE9 /* IDBUtilities.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IDBUtilities.h; sourceTree = "<group>"; };
>+		51E351FA180F5D0B00E53BE9 /* PaymentProcess.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentProcess.cpp; sourceTree = "<group>"; };
>+		51E351FB180F5D0B00E53BE9 /* PaymentProcess.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentProcess.h; sourceTree = "<group>"; };
>+		51E351FC180F5D0B00E53BE9 /* PaymentProcess.messages.in */ = {isa = PBXFileReference; lastKnownFileType = text; path = PaymentProcess.messages.in; sourceTree = "<group>"; };
>+		51E351FD180F5D0B00E53BE9 /* PaymentToWebProcessConnection.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentToWebProcessConnection.cpp; sourceTree = "<group>"; };
>+		51E351FE180F5D0B00E53BE9 /* PaymentToWebProcessConnection.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentToWebProcessConnection.h; sourceTree = "<group>"; };
> 		51E399051D6F54C5009C8831 /* UIGamepadProviderCocoa.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = UIGamepadProviderCocoa.mm; sourceTree = "<group>"; };
> 		51E6C15F1F29355100FD3437 /* ResourceLoadStatisticsPersistentStorageIOS.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; name = ResourceLoadStatisticsPersistentStorageIOS.mm; path = ios/ResourceLoadStatisticsPersistentStorageIOS.mm; sourceTree = "<group>"; };
> 		51E6C1611F2935CD00FD3437 /* ResourceLoadStatisticsPersistentStorage.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ResourceLoadStatisticsPersistentStorage.h; sourceTree = "<group>"; };
>@@ -4452,6 +4480,7 @@
> 		E1E552C316AE065E004ED653 /* SandboxInitializationParameters.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SandboxInitializationParameters.h; sourceTree = "<group>"; };
> 		E1EE53DC11F8CF9F00CCBEE4 /* InjectedBundlePageEditorClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = InjectedBundlePageEditorClient.h; sourceTree = "<group>"; };
> 		E1EE53E611F8CFFB00CCBEE4 /* InjectedBundlePageEditorClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InjectedBundlePageEditorClient.cpp; sourceTree = "<group>"; };
>+		E1FEF39C190F791C00731658 /* PaymentProcessIOS.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = PaymentProcessIOS.mm; sourceTree = "<group>"; };
> 		E413F59B1AC1ADB600345360 /* NetworkCacheEntry.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheEntry.h; sourceTree = "<group>"; };
> 		E413F59E1AC1AF9D00345360 /* NetworkCacheEntry.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkCacheEntry.cpp; sourceTree = "<group>"; };
> 		E42E060B1AA7440D00B11699 /* NetworkCacheIOChannel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheIOChannel.h; sourceTree = "<group>"; };
>@@ -4626,6 +4655,7 @@
> 				1A1D2116191D995C0001619F /* postprocess-framework-headers.sh */,
> 				BC2E6E74114196F000A63B1E /* Platform */,
> 				1AADDF4B10D82AF000D3D63D /* Shared */,
>+				51F7DC0A180CC41100212CA3 /* PaymentProcess */,
> 				BC032DC310F438260058C15A /* UIProcess */,
> 				BC032D5C10F436D50058C15A /* WebProcess */,
> 				510CC7DA16138E0100D03ED3 /* NetworkProcess */,
>@@ -4831,6 +4861,7 @@
> 				41D0FC7D20E43A5100076AE8 /* Network-OSX-sandbox.entitlements */,
> 				5C7ACFD1218DD8BD004CBB59 /* Network-OSX.entitlements */,
> 				BC8283AB16B4BEAD00A278FE /* NetworkService.xcconfig */,
>+				51A60B29180CCD9000F3BF50 /* PaymentService.xcconfig */,
> 				A1EDD2DB1884B96400BBFE98 /* PluginProcessShim.xcconfig */,
> 				BC8283F216B4FC5300A278FE /* PluginService.32.xcconfig */,
> 				BC8283F416B4FC5300A278FE /* PluginService.64.xcconfig */,
>@@ -6284,6 +6315,48 @@
> 			path = Resources/mac;
> 			sourceTree = "<group>";
> 		};
>+		392E942A219A2E850050F982 /* Payments */ = {
>+			isa = PBXGroup;
>+			children = (
>+				392E942D219A399A0050F982 /* WebToPaymentProcessConnection.cpp */,
>+				392E942B219A399A0050F982 /* WebToPaymentProcessConnection.h */,
>+			);
>+			path = Payments;
>+			sourceTree = "<unknown>";
>+		};
>+		39BD0AF121AE202E00E3243F /* EntryPoint */ = {
>+			isa = PBXGroup;
>+			children = (
>+				39BD0AF221AE202E00E3243F /* ios */,
>+			);
>+			path = EntryPoint;
>+			sourceTree = "<group>";
>+		};
>+		39BD0AF221AE202E00E3243F /* ios */ = {
>+			isa = PBXGroup;
>+			children = (
>+				39BD0AF321AE202E00E3243F /* XPCService */,
>+			);
>+			path = ios;
>+			sourceTree = "<group>";
>+		};
>+		39BD0AF321AE202E00E3243F /* XPCService */ = {
>+			isa = PBXGroup;
>+			children = (
>+				39BD0AF421AE202E00E3243F /* PaymentService */,
>+				39BD0AF621AE202E00E3243F /* PaymentServiceEntryPoint.mm */,
>+			);
>+			path = XPCService;
>+			sourceTree = "<group>";
>+		};
>+		39BD0AF421AE202E00E3243F /* PaymentService */ = {
>+			isa = PBXGroup;
>+			children = (
>+				39BD0AF521AE202E00E3243F /* Info-iOS.plist */,
>+			);
>+			path = PaymentService;
>+			sourceTree = "<group>";
>+		};
> 		413075971DE84ED70039EC69 /* webrtc */ = {
> 			isa = PBXGroup;
> 			children = (
>@@ -6604,6 +6677,16 @@
> 			name = mac;
> 			sourceTree = "<group>";
> 		};
>+		517DD5BB180DA7C40081660B /* Payments */ = {
>+			isa = PBXGroup;
>+			children = (
>+				517DD5BC180DA7D30081660B /* PaymentProcessProxy.cpp */,
>+				517DD5BD180DA7D30081660B /* PaymentProcessProxy.h */,
>+				512A9766180E05D20039A149 /* PaymentProcessProxy.messages.in */,
>+			);
>+			path = Payments;
>+			sourceTree = "<group>";
>+		};
> 		518E8EF116B208F000E91429 /* Authentication */ = {
> 			isa = PBXGroup;
> 			children = (
>@@ -6660,6 +6743,42 @@
> 			path = ios;
> 			sourceTree = "<group>";
> 		};
>+		51F7DC0A180CC41100212CA3 /* PaymentProcess */ = {
>+			isa = PBXGroup;
>+			children = (
>+				39BD0AF121AE202E00E3243F /* EntryPoint */,
>+				E1FEF39B190F791C00731658 /* ios */,
>+				51E351FA180F5D0B00E53BE9 /* PaymentProcess.cpp */,
>+				51E351FB180F5D0B00E53BE9 /* PaymentProcess.h */,
>+				51E351FC180F5D0B00E53BE9 /* PaymentProcess.messages.in */,
>+				51E351FD180F5D0B00E53BE9 /* PaymentToWebProcessConnection.cpp */,
>+				51E351FE180F5D0B00E53BE9 /* PaymentToWebProcessConnection.h */,
>+				51032F1A180F74F100961BB7 /* PaymentToWebProcessConnection.messages.in */,
>+			);
>+			path = PaymentProcess;
>+			sourceTree = "<group>";
>+		};
>+		539BD5B21DADB0BA00F2E4E1 /* capture */ = {
>+			isa = PBXGroup;
>+			children = (
>+				53DEA3651DDE422E00E82648 /* json.hpp */,
>+				530258301DCBBD1D00DA89C2 /* NetworkCaptureEvent.cpp */,
>+				530258311DCBBD1D00DA89C2 /* NetworkCaptureEvent.h */,
>+				530258321DCBBD1D00DA89C2 /* NetworkCaptureLogging.h */,
>+				530258331DCBBD1D00DA89C2 /* NetworkCaptureManager.cpp */,
>+				530258341DCBBD1D00DA89C2 /* NetworkCaptureManager.h */,
>+				530258351DCBBD1D00DA89C2 /* NetworkCaptureRecorder.cpp */,
>+				530258361DCBBD1D00DA89C2 /* NetworkCaptureRecorder.h */,
>+				530258371DCBBD1D00DA89C2 /* NetworkCaptureReplayer.cpp */,
>+				530258381DCBBD1D00DA89C2 /* NetworkCaptureReplayer.h */,
>+				5302582E1DCBBD1D00DA89C2 /* NetworkCaptureResource.cpp */,
>+				5302582F1DCBBD1D00DA89C2 /* NetworkCaptureResource.h */,
>+				530258391DCBBD1D00DA89C2 /* NetworkDataTaskReplay.cpp */,
>+				5302583A1DCBBD1D00DA89C2 /* NetworkDataTaskReplay.h */,
>+			);
>+			path = capture;
>+			sourceTree = "<group>";
>+		};
> 		570AB8F620AE81AB00B8BE87 /* cocoa */ = {
> 			isa = PBXGroup;
> 			children = (
>@@ -7064,6 +7183,7 @@
> 			isa = PBXGroup;
> 			children = (
> 				A78CCDD8193AC9E3005ECC25 /* com.apple.WebKit.Networking.sb */,
>+				391360242193C1430056492A /* com.apple.WebKit.Payments.sb */,
> 				A78CCDD7193AC9E3005ECC25 /* com.apple.WebKit.Storage.sb */,
> 				A78CCDD9193AC9E3005ECC25 /* com.apple.WebKit.WebContent.sb */,
> 			);
>@@ -7112,6 +7232,7 @@
> 				4A410F4119AF7B27002EBAB5 /* MediaStream */,
> 				5105B0D2162F7A5E00E27709 /* Network */,
> 				31099974146C8AA80029DEB9 /* Notifications (User) */,
>+				392E942A219A2E850050F982 /* Payments */,
> 				1A6FB7AA11E64B4900DB1371 /* Plugins */,
> 				5118E9981F295259003EF9F5 /* Storage */,
> 				1AAF08AA1926930B00B6390C /* UserContent */,
>@@ -7274,6 +7395,7 @@
> 				BCCF085C113F3B7500C650C5 /* mac */,
> 				510CC7E716138E7200D03ED3 /* Network */,
> 				31A2EC401489973700810D71 /* Notifications */,
>+				517DD5BB180DA7C40081660B /* Payments */,
> 				1AEFCC0511D01F34008219D3 /* Plugins */,
> 				2D1551A91F5A9B420006E3FE /* RemoteLayerTree */,
> 				1AAF089E192681AC00B6390C /* UserContent */,
>@@ -8372,6 +8494,10 @@
> 				5C0B17751E7C879C00E9123C /* NetworkSocketStreamMessages.h */,
> 				1A2D8437127F65D5001EB962 /* NPObjectMessageReceiverMessageReceiver.cpp */,
> 				1A2D8438127F65D5001EB962 /* NPObjectMessageReceiverMessages.h */,
>+				5118E9A51F295963003EF9F5 /* PaymentProcessMessageReceiver.cpp */,
>+				5118E9A61F295963003EF9F5 /* PaymentProcessMessages.h */,
>+				5118E9A71F295963003EF9F5 /* PaymentProcessProxyMessageReceiver.cpp */,
>+				5118E9A21F295963003EF9F5 /* PaymentProcessProxyMessages.h */,
> 				CDA29A241CBEB67A00901CCF /* PlaybackSessionManagerMessageReceiver.cpp */,
> 				CDA29A251CBEB67A00901CCF /* PlaybackSessionManagerMessages.h */,
> 				CDA29A261CBEB67A00901CCF /* PlaybackSessionManagerProxyMessageReceiver.cpp */,
>@@ -8692,6 +8818,14 @@
> 			name = PDF;
> 			sourceTree = "<group>";
> 		};
>+		E1FEF39B190F791C00731658 /* ios */ = {
>+			isa = PBXGroup;
>+			children = (
>+				E1FEF39C190F791C00731658 /* PaymentProcessIOS.mm */,
>+			);
>+			path = ios;
>+			sourceTree = "<group>";
>+		};
> 		E489D2821A0A2BE80078C06A /* cache */ = {
> 			isa = PBXGroup;
> 			children = (
>@@ -9156,6 +9290,9 @@
> 				1AC7537C183A9FDB0072CB15 /* PageLoadState.h in Headers */,
> 				1A8B66B01BC43C860082DF77 /* PageLoadStateObserver.h in Headers */,
> 				C574A58112E66681002DFE98 /* PasteboardTypes.h in Headers */,
>+				5118E9A91F295977003EF9F5 /* PaymentProcessMessages.h in Headers */,
>+				517DD5BF180DA7D30081660B /* PaymentProcessProxy.h in Headers */,
>+				5118E9AB1F295977003EF9F5 /* PaymentProcessProxyMessages.h in Headers */,
> 				C1E123BA20A11573002646F4 /* PDFContextMenu.h in Headers */,
> 				E19582D3153CBFD700B60875 /* PDFKitImports.h in Headers */,
> 				2D6BF12421AF56E1001E79C9 /* PencilKitSoftLink.h in Headers */,
>@@ -10153,6 +10290,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				E17AE2C316B9C63A001C42F1 /* com.apple.WebKit.NetworkProcess.sb in Resources */,
>+				391360252193C1430056492A /* com.apple.WebKit.Payments.sb in Resources */,
> 				E11D35AE16B63D1B006D23D7 /* com.apple.WebProcess.sb in Resources */,
> 				414DD37920BF43F5006959FB /* com.cisco.webex.plugin.gpc64.sb in Resources */,
> 				6BE969C11E54D452008B7483 /* corePrediction_model in Resources */,
>@@ -10759,6 +10897,11 @@
> 				2D913447212CF9F000128AFD /* NPRuntimeObjectMap.cpp in Sources */,
> 				2D913448212CF9F000128AFD /* NPRuntimeUtilities.cpp in Sources */,
> 				2D92A794212B6AD400F493FD /* NPVariantData.cpp in Sources */,
>+				51E351FF180F5D0F00E53BE9 /* PaymentProcess.cpp in Sources */,
>+				E115C714190F89E400ECC516 /* PaymentProcessIOS.mm in Sources */,
>+				5118E9A81F295977003EF9F5 /* PaymentProcessMessageReceiver.cpp in Sources */,
>+				5118E9AA1F295977003EF9F5 /* PaymentProcessProxyMessageReceiver.cpp in Sources */,
>+				51E35200180F5D0F00E53BE9 /* PaymentToWebProcessConnection.cpp in Sources */,
> 				CDA29A281CBEB67A00901CCF /* PlaybackSessionManagerMessageReceiver.cpp in Sources */,
> 				CDA29A2A1CBEB67A00901CCF /* PlaybackSessionManagerProxyMessageReceiver.cpp in Sources */,
> 				2D913449212CF9F000128AFD /* Plugin.cpp in Sources */,
>diff --git a/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.cpp b/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..a6d0a7b5692b119fc67f427dd479ee18d38163c0
>--- /dev/null
>+++ b/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.cpp
>@@ -0,0 +1,74 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE, INC. ``AS IS'' AND ANY
>+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
>+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
>+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
>+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
>+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
>+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+ *
>+ */
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#include "config.h"
>+#include "WebToPaymentProcessConnection.h"
>+
>+
>+#include "WebProcess.h"
>+
>+#include <WebCore/SWContextManager.h>
>+
>+namespace WebKit {
>+using namespace PAL;
>+using namespace WebCore;
>+
>+WebToPaymentProcessConnection::WebToPaymentProcessConnection(IPC::Connection::Identifier connectionIdentifier)
>+    : m_connection(IPC::Connection::createClientConnection(connectionIdentifier, *this))
>+{
>+    m_connection->open();
>+}
>+
>+WebToPaymentProcessConnection::~WebToPaymentProcessConnection()
>+{
>+    m_connection->invalidate();
>+}
>+
>+void WebToPaymentProcessConnection::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
>+{
>+    ASSERT_NOT_REACHED();
>+}
>+
>+void WebToPaymentProcessConnection::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& replyEncoder)
>+{
>+
>+    ASSERT_NOT_REACHED();
>+}
>+
>+void WebToPaymentProcessConnection::didClose(IPC::Connection& connection)
>+{
>+    auto protectedThis = makeRef(*this);
>+
>+    WebProcess::singleton().webToPaymentProcessConnectionClosed(this);
>+}
>+
>+void WebToPaymentProcessConnection::didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName)
>+{
>+}
>+
>+} // namespace WebKit
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.h b/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..a4177f8f2ec7c553877d1fb90426d123c16a620f
>--- /dev/null
>+++ b/Source/WebKit/WebProcess/Payments/WebToPaymentProcessConnection.h
>@@ -0,0 +1,70 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE, INC. ``AS IS'' AND ANY
>+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
>+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
>+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
>+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
>+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
>+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+ *
>+ */
>+
>+#if ENABLE(PAYMENT_PROCESS)
>+
>+#pragma once
>+
>+#include "Connection.h"
>+#include "MessageSender.h"
>+#include <WebCore/SWServer.h>
>+#include <pal/SessionID.h>
>+#include <wtf/RefCounted.h>
>+
>+namespace PAL {
>+class SessionID;
>+}
>+
>+namespace WebKit {
>+
>+class WebToPaymentProcessConnection : public RefCounted<WebToPaymentProcessConnection>, private IPC::Connection::Client, private IPC::MessageSender {
>+public:
>+    static Ref<WebToPaymentProcessConnection> create(IPC::Connection::Identifier connectionIdentifier)
>+    {
>+        return adoptRef(*new WebToPaymentProcessConnection(connectionIdentifier));
>+    }
>+    ~WebToPaymentProcessConnection();
>+    
>+    IPC::Connection& connection() { return m_connection.get(); }
>+
>+private:
>+    WebToPaymentProcessConnection(IPC::Connection::Identifier);
>+
>+    // IPC::Connection::Client
>+    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
>+    void didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, std::unique_ptr<IPC::Encoder>&) override;
>+    void didClose(IPC::Connection&) override;
>+    void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
>+
>+    // IPC::MessageSender
>+    IPC::Connection* messageSenderConnection() override { return m_connection.ptr(); }
>+    uint64_t messageSenderDestinationID() override { return 0; }
>+
>+    Ref<IPC::Connection> m_connection;
>+};
>+
>+} // namespace WebKit
>+#endif // ENABLE(PAYMENT_PROCESS)
>diff --git a/Source/WebKit/WebProcess/WebPage/WebPageInspectorTargetController.cpp b/Source/WebKit/WebProcess/WebPage/WebPageInspectorTargetController.cpp
>index b0d703c537f00790c4ffca9f3b1d9b41dd08a43e..7b5d00160de35998f5d577a4bf3558b19651c6bc 100644
>--- a/Source/WebKit/WebProcess/WebPage/WebPageInspectorTargetController.cpp
>+++ b/Source/WebKit/WebProcess/WebPage/WebPageInspectorTargetController.cpp
>@@ -63,7 +63,7 @@ void WebPageInspectorTargetController::removeTarget(Inspector::InspectorTarget&
> 
> void WebPageInspectorTargetController::connectInspector(const String& targetId, Inspector::FrontendChannel::ConnectionType connectionType)
> {
>-    InspectorTarget* target = m_targets.get(targetId);
>+    auto* target = m_targets.get(targetId);
>     if (!target)
>         return;
> 
>@@ -78,7 +78,7 @@ void WebPageInspectorTargetController::connectInspector(const String& targetId,
> 
> void WebPageInspectorTargetController::disconnectInspector(const String& targetId)
> {
>-    InspectorTarget* target = m_targets.get(targetId);
>+    auto* target = m_targets.get(targetId);
>     if (!target)
>         return;
> 
>@@ -91,7 +91,7 @@ void WebPageInspectorTargetController::disconnectInspector(const String& targetI
> 
> void WebPageInspectorTargetController::sendMessageToTargetBackend(const String& targetId, const String& message)
> {
>-    InspectorTarget* target = m_targets.get(targetId);
>+    auto* target = m_targets.get(targetId);
>     if (!target)
>         return;
> 
>diff --git a/Source/WebKit/WebProcess/WebProcess.cpp b/Source/WebKit/WebProcess/WebProcess.cpp
>index 09cea95355311b64c3ae0bc631eda8b10852fffb..3315ac29121db1a9d495dbe27171f4556b8f1617 100644
>--- a/Source/WebKit/WebProcess/WebProcess.cpp
>+++ b/Source/WebKit/WebProcess/WebProcess.cpp
>@@ -136,6 +136,11 @@
> #include "UserMediaCaptureManager.h"
> #endif
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+#include "PaymentProcessMessages.h"
>+#include "WebToPaymentProcessConnection.h"
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> #if ENABLE(SEC_ITEM_SHIM)
> #include "SecItemShim.h"
> #endif
>@@ -1243,6 +1248,31 @@ WebLoaderStrategy& WebProcess::webLoaderStrategy()
> {
>     return m_webLoaderStrategy;
> }
>+#if ENABLE(PAYMENT_PROCESS)
>+void WebProcess::webToPaymentProcessConnectionClosed(WebToPaymentProcessConnection* connection)
>+{
>+    ASSERT(m_webToPaymentProcessConnection);
>+    ASSERT(m_webToPaymentProcessConnection == connection);
>+
>+    m_webToPaymentProcessConnection = nullptr;
>+}
>+
>+WebToPaymentProcessConnection& WebProcess::ensureWebToPaymentProcessConnection(PAL::SessionID initialSessionID)
>+{
>+    if (!m_webToPaymentProcessConnection) {
>+        IPC::Attachment encodedConnectionIdentifier;
>+
>+        if (!parentProcessConnection()->sendSync(Messages::WebProcessProxy::GetPaymentProcessConnection(initialSessionID), Messages::WebProcessProxy::GetPaymentProcessConnection::Reply(encodedConnectionIdentifier), 0)) {
>+        ASSERT_NOT_REACHED();
>+        if (!IPC::Connection::identifierIsValid(connectionIdentifier))
>+            CRASH();
>+
>+        m_webToPaymentProcessConnection = WebToPaymentProcessConnection::create(connectionIdentifier);
>+
>+    }
>+    return *m_webToPaymentProcessConnection;
>+}
>+#endif // ENABLE(PAYMENT_PROCESS)
> 
> void WebProcess::setEnhancedAccessibility(bool flag)
> {
>diff --git a/Source/WebKit/WebProcess/WebProcess.h b/Source/WebKit/WebProcess/WebProcess.h
>index 23dec03c9850b2e1a697e3aa6134a8ab416d7b3c..7487ba561f4cf7429bb819be61bc3e6234fc1734 100644
>--- a/Source/WebKit/WebProcess/WebProcess.h
>+++ b/Source/WebKit/WebProcess/WebProcess.h
>@@ -98,6 +98,9 @@ class WebLoaderStrategy;
> class WebPage;
> class WebPageGroupProxy;
> class WebProcessSupplement;
>+#if ENABLE(PAYMENT_PROCESS)
>+class WebToPaymentProcessConnection;
>+#endif // ENABLE(PAYMENT_PROCESS)
> enum class WebsiteDataType;
> struct WebPageCreationParameters;
> struct WebPageGroupData;
>@@ -175,6 +178,11 @@ public:
> 
>     LibWebRTCNetwork& libWebRTCNetwork();
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    void webToPaymentProcessConnectionClosed(WebToPaymentProcessConnection*);
>+    WebToPaymentProcessConnection& ensureWebToPaymentProcessConnection(PAL::SessionID initialSessionID);
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
>     void setCacheModel(uint32_t);
> 
>     void ensureLegacyPrivateBrowsingSessionInNetworkProcess();
>@@ -444,6 +452,10 @@ private:
> 
>     std::unique_ptr<WebAutomationSessionProxy> m_automationSessionProxy;
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    RefPtr<WebToPaymentProcessConnection> m_webToPaymentProcessConnection;
>+#endif // ENABLE(PAYMENT_PROCESS)
>+
> #if ENABLE(NETSCAPE_PLUGIN_API)
>     RefPtr<PluginProcessConnectionManager> m_pluginProcessConnectionManager;
> #endif
>diff --git a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 29fb744c6d9cea64afaac21ff95a910e33bd7f4f..2fefd32b6a61d11140113f85f149786ebc387b62 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,24 @@
>+2018-11-27  Zamiul Haque  <zhaque@apple.com>
>+
>+        Payment process stub with feature flag
>+        https://bugs.webkit.org/show_bug.cgi?id=191298
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestWebKitAPI/Configurations/FeatureDefines.xcconfig:
>+        * WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl:
>+        * WebKitTestRunner/InjectedBundle/TestRunner.cpp:
>+        (WTR::TestRunner::terminatePaymentProcess):
>+        * WebKitTestRunner/InjectedBundle/TestRunner.h:
>+        * WebKitTestRunner/TestController.cpp:
>+        (WTR::TestController::generatePageConfiguration):
>+        (WTR::TestController::paymentProcessName):
>+        (WTR::TestController::paymentProcessDidCrash):
>+        (WTR::TestController::terminatePaymentProcess):
>+        * WebKitTestRunner/TestController.h:
>+        * WebKitTestRunner/TestInvocation.cpp:
>+        (WTR::TestInvocation::didReceiveSynchronousMessageFromInjectedBundle):
>+
> 2018-12-19  Megan Gardner  <megan_gardner@apple.com>
> 
>         Allow clients to set the navigator platform
>diff --git a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>index 2e9a04d01bdd1421c4b457114bf89c3c784ef9c0..ad6b5f389e374afd7c050841107879efa82a7ae5 100644
>--- a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>+++ b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>@@ -292,6 +292,7 @@ ENABLE_NAVIGATOR_STANDALONE_cocoatouch = ENABLE_NAVIGATOR_STANDALONE;
> ENABLE_NOTIFICATIONS = $(ENABLE_NOTIFICATIONS_$(WK_PLATFORM_NAME));
> ENABLE_NOTIFICATIONS_macosx = ENABLE_NOTIFICATIONS;
> 
>+ENABLE_PAYMENT_PROCESS = ENABLE_PAYMENT_PROCESS;
> ENABLE_PAYMENT_REQUEST = ENABLE_PAYMENT_REQUEST;
> 
> ENABLE_PDFKIT_PLUGIN = $(ENABLE_PDFKIT_PLUGIN_$(WK_PLATFORM_NAME));
>diff --git a/Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl b/Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl
>index da022c4f0c7692e7c6df4d62e4596f189eadbc5e..676916f9072326933c467d7435db7edb11f7422a 100644
>--- a/Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl
>+++ b/Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl
>@@ -335,6 +335,7 @@ interface TestRunner {
> 
>     void terminateNetworkProcess();
>     void terminateServiceWorkerProcess();
>+    void terminatePaymentProcess();
> 
>     readonly attribute boolean didCancelClientRedirect;
> 
>diff --git a/Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp b/Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp
>index 22579e8918559b8e328f41836f70d15711760892..19e6257151e455005b87c84099c9739a48859873 100644
>--- a/Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp
>+++ b/Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp
>@@ -1292,6 +1292,14 @@ void TestRunner::terminateServiceWorkerProcess()
>     WKBundlePagePostSynchronousMessageForTesting(InjectedBundle::singleton().page()->page(), messageName.get(), nullptr, nullptr);
> }
> 
>+void TestRunner::terminatePaymentProcess()
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    WKRetainPtr<WKStringRef> messageName(AdoptWK, WKStringCreateWithUTF8CString("TerminatePaymentProcess"));
>+    WKBundlePagePostSynchronousMessageForTesting(InjectedBundle::singleton().page()->page(), messageName.get(), nullptr, nullptr);
>+#endif // ENABLE(PAYMENT_PROCESS)
>+}
>+    
> static unsigned nextUIScriptCallbackID()
> {
>     static unsigned callbackID = FirstUIScriptCallbackID;
>diff --git a/Tools/WebKitTestRunner/InjectedBundle/TestRunner.h b/Tools/WebKitTestRunner/InjectedBundle/TestRunner.h
>index 120efc8263ec77249b3b0d7da61476a3c8a7af17..4d5f986c301cfa07317336f0fed6f44430b3cda7 100644
>--- a/Tools/WebKitTestRunner/InjectedBundle/TestRunner.h
>+++ b/Tools/WebKitTestRunner/InjectedBundle/TestRunner.h
>@@ -448,6 +448,7 @@ public:
> 
>     void terminateNetworkProcess();
>     void terminateServiceWorkerProcess();
>+    void terminatePaymentProcess();
> 
>     void removeAllSessionCredentials(JSValueRef);
>     void callDidRemoveAllSessionCredentialsCallback();
>diff --git a/Tools/WebKitTestRunner/TestController.cpp b/Tools/WebKitTestRunner/TestController.cpp
>index 2f98ed32396da759f6ffdeddeadc935d11e558d2..5ec3ed71525d465aef7a6b28b02a8912b133dea7 100644
>--- a/Tools/WebKitTestRunner/TestController.cpp
>+++ b/Tools/WebKitTestRunner/TestController.cpp
>@@ -1075,6 +1075,13 @@ const char* TestController::networkProcessName()
> #endif
> }
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+const char* TestController::paymentProcessName()
>+{
>+    return "com.apple.WebKit.Payments";
>+}
>+#endif
>+
> void TestController::setAllowsAnySSLCertificate(bool allows)
> {
>     WKContextSetAllowsAnySSLCertificateForWebSocketTesting(platformContext(), allows);
>@@ -1511,6 +1518,13 @@ void TestController::networkProcessDidCrash(WKContextRef context, const void *cl
>     static_cast<TestController*>(const_cast<void*>(clientInfo))->networkProcessDidCrash();
> }
> 
>+void TestController::paymentProcessDidCrash(WKContextRef context, const void *clientInfo)
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    static_cast<TestController*>(const_cast<void*>(clientInfo))->paymentProcessDidCrash();
>+#endif
>+}
>+    
> void TestController::didReceiveKeyDownMessageFromInjectedBundle(WKDictionaryRef messageBodyDictionary, bool synchronous)
> {
>     WKRetainPtr<WKStringRef> keyKey = adoptWK(WKStringCreateWithUTF8CString("Key"));
>@@ -1844,6 +1858,15 @@ void TestController::networkProcessDidCrash()
>     exit(1);
> }
> 
>+void TestController::paymentProcessDidCrash()
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    pid_t pid = WKContextGetPaymentProcessIdentifier(m_context.get());
>+    fprintf(stderr, "#CRASHED - %s (pid %ld)\n", paymentProcessName(), static_cast<long>(pid));
>+    exit(1);
>+#endif
>+}
>+
> // WKPageNavigationClient
> 
> void TestController::didCommitNavigation(WKPageRef page, WKNavigationRef navigation, WKTypeRef, const void* clientInfo)
>@@ -2643,6 +2666,13 @@ void TestController::terminateServiceWorkerProcess()
>     WKContextTerminateServiceWorkerProcess(platformContext());
> }
> 
>+void TestController::terminatePaymentProcess()
>+{
>+#if ENABLE(PAYMENT_PROCESS)
>+    WKContextTerminatePaymentProcess(platformContext());
>+#endif
>+}
>+
> #if !PLATFORM(COCOA)
> void TestController::platformWillRunTest(const TestInvocation&)
> {
>diff --git a/Tools/WebKitTestRunner/TestController.h b/Tools/WebKitTestRunner/TestController.h
>index 13a39c6905f0d87ba87b9db57f8dad5c17ac71bc..bf9de537ea8f319398f326de38982c8c5d5fa485 100644
>--- a/Tools/WebKitTestRunner/TestController.h
>+++ b/Tools/WebKitTestRunner/TestController.h
>@@ -168,7 +168,10 @@ public:
>     static const char* webProcessName();
>     static const char* networkProcessName();
>     static const char* databaseProcessName();
>-
>+#if ENABLE(PAYMENT_PROCESS)
>+    static const char* paymentProcessName();
>+#endif
>+    
>     WorkQueueManager& workQueueManager() { return m_workQueueManager; }
> 
>     void setRejectsProtectionSpaceAndContinueForAuthenticationChallenges(bool value) { m_rejectsProtectionSpaceAndContinueForAuthenticationChallenges = value; }
>@@ -239,7 +242,8 @@ public:
> 
>     void terminateNetworkProcess();
>     void terminateServiceWorkerProcess();
>-
>+    void terminatePaymentProcess();
>+    
>     void removeAllSessionCredentials();
> 
>     void clearServiceWorkerRegistrations();
>@@ -348,6 +352,8 @@ private:
>     // WKContextClient
>     static void networkProcessDidCrash(WKContextRef, const void*);
>     void networkProcessDidCrash();
>+    static void paymentProcessDidCrash(WKContextRef, const void*);
>+    void paymentProcessDidCrash();
> 
>     // WKPageNavigationClient
>     static void didCommitNavigation(WKPageRef, WKNavigationRef, WKTypeRef userData, const void*);
>diff --git a/Tools/WebKitTestRunner/TestInvocation.cpp b/Tools/WebKitTestRunner/TestInvocation.cpp
>index 1a91eb28434d4ed7d1b961220063850540ad782b..72fbb9e8cb3f00dd9a67e5a71a9f92ca7bf986cd 100644
>--- a/Tools/WebKitTestRunner/TestInvocation.cpp
>+++ b/Tools/WebKitTestRunner/TestInvocation.cpp
>@@ -1453,6 +1453,14 @@ WKRetainPtr<WKTypeRef> TestInvocation::didReceiveSynchronousMessageFromInjectedB
>         return nullptr;
>     }
> 
>+#if ENABLE(PAYMENT_PROCESS)
>+    if (WKStringIsEqualToUTF8CString(messageName, "TerminatePaymentProcess")) {
>+        ASSERT(!messageBody);
>+        TestController::singleton().terminatePaymentProcess();
>+        return nullptr;
>+    }
>+#endif
>+    
>     if (WKStringIsEqualToUTF8CString(messageName, "TerminateNetworkProcess")) {
>         ASSERT(!messageBody);
>         TestController::singleton().terminateNetworkProcess();

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Attachments on bug 191298: 353947 | 353949 | 354162 | 354191 | 354197 | 354198 | 354226 | 354230 | 354283 | 354407 | 354858 | 354883 | 354885 | 354900 | 354966 | 354983 | 355158 | 355593 | 355595 | 355601 | 355675 | 355679 | 355837 | 357759 | 357829 | 357834 | 357876 | 358014