Attachment 359915 Details for Bug 193659 – Patch

[patch] Patch

bug-193659-20190123114027.patch (text/plain), 114.51 KB, created by Brent Fulgham on 2019-01-23 11:40:28 PST

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Creator: Brent Fulgham

Created: 2019-01-23 11:40:28 PST

Size: 114.51 KB

patch

obsolete

>Subversion Revision: 240347
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 8b1d6afb72fb1b75fb5bbf4018d2e5ab39856cef..bda6168af6c18bb18f2a05eacbe2603f7001ee43 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,100 @@
>+2019-01-23  Brent Fulgham  <bfulgham@apple.com>
>+
>+        Switch NetworkStorageSession portions of ResourceLoadStatistics to Async message passing style
>+        https://bugs.webkit.org/show_bug.cgi?id=193659
>+        <rdar://problem/47433290>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Change the implementations of ResourceLoadStatistics code in NetworkStorageSession to use the
>+        'sendWithAsyncReply' so that more of the code is autogenerated. This should make test runs more
>+        consistent, and should reduce the possibility of bookkeeping errors in the message handling
>+        implementations.
>+
>+        Fix the implementation of NetworkProcessProxy::clearCallbackStates to remove the manually constructed
>+        (and incomplete) message callbacks. These errors are a big reason to move to the auto-generated
>+        'sendWithAsyncReply' implementatoin. Ditto for NetworkProcessProxy::didClose.
>+
>+        This patch also moves an initializaton call (WebsiteDataStore::didCreateNetworkProcess) from
>+        'ensureNetworkProcess' to 'processDidFinishLaunching'. In current code, the call happens before
>+        a connection is established to the network process, causing initialization messages to get dropped
>+        leading to test system flakiness.
>+
>+        Finally: The WK API test code was updated to ensure that completion handlers are always called, even
>+        when built without ENABLE_RESOURCE_LOAD_STATISTICS defined.
>+
>+        * NetworkProcess/Classifier/ResourceLoadStatisticsMemoryStore.cpp:
>+        * NetworkProcess/Classifier/ShouldGrandfatherStatistics.h: Added.
>+        * NetworkProcess/Classifier/StorageAccessStatus.h: Added.
>+        * NetworkProcess/Classifier/WebResourceLoadStatisticsStore.cpp:
>+        (WebKit::WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent):
>+        * NetworkProcess/Classifier/WebResourceLoadStatisticsStore.h:
>+        * NetworkProcess/NetworkProcess.cpp:
>+        (WebKit::NetworkProcess::updatePrevalentDomainsToBlockCookiesFor):
>+        (WebKit::NetworkProcess::setAgeCapForClientSideCookies):
>+        (WebKit::NetworkProcess::scheduleClearInMemoryAndPersistent):
>+        (WebKit::NetworkProcess::hasStorageAccessForFrame):
>+        (WebKit::NetworkProcess::requestStorageAccess):
>+        (WebKit::NetworkProcess::grantStorageAccess):
>+        (WebKit::NetworkProcess::removeAllStorageAccess):
>+        (WebKit::NetworkProcess::setCacheMaxAgeCapForPrevalentResources):
>+        (WebKit::NetworkProcess::resetCacheMaxAgeCapForPrevalentResources):
>+        (WebKit::NetworkProcess::deleteWebsiteData):
>+        * NetworkProcess/NetworkProcess.h:
>+        * NetworkProcess/NetworkProcess.messages.in:
>+        * UIProcess/API/C/WKWebsiteDataStoreRef.cpp:
>+        (WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStore):
>+        (WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStoreModifiedSinceHours):
>+        (WKWebsiteDataStoreStatisticsResetToConsistentState):
>+        * UIProcess/API/Cocoa/WKWebsiteDataStore.mm:
>+        * UIProcess/Network/NetworkProcessProxy.cpp:
>+        (WebKit::NetworkProcessProxy::clearCallbackStates): Remove incomplete clean-up code that
>+        is now autogenerated.
>+        (WebKit::NetworkProcessProxy::didClose): Ditto.
>+        (WebKit::NetworkProcessProxy::updatePrevalentDomainsToBlockCookiesFor):
>+        (WebKit::NetworkProcessProxy::scheduleClearInMemoryAndPersistent):
>+        (WebKit::NetworkProcessProxy::setAgeCapForClientSideCookies):
>+        (WebKit::NetworkProcessProxy::hasStorageAccessForFrame):
>+        (WebKit::NetworkProcessProxy::requestStorageAccess):
>+        (WebKit::NetworkProcessProxy::grantStorageAccess):
>+        (WebKit::NetworkProcessProxy::removeAllStorageAccess):
>+        (WebKit::NetworkProcessProxy::setCacheMaxAgeCapForPrevalentResources):
>+        (WebKit::NetworkProcessProxy::setCacheMaxAgeCap):
>+        (WebKit::NetworkProcessProxy::resetCacheMaxAgeCapForPrevalentResources):
>+        (WebKit::NetworkProcessProxy::didUpdateBlockCookies): Deleted.
>+        (WebKit::NetworkProcessProxy::didSetAgeCapForClientSideCookies): Deleted.
>+        (WebKit::NetworkProcessProxy::didUpdateRuntimeSettings): Deleted.
>+        (WebKit::NetworkProcessProxy::storageAccessRequestResult): Deleted.
>+        (WebKit::NetworkProcessProxy::storageAccessOperationResult): Deleted.
>+        (WebKit::NetworkProcessProxy::didRemoveAllStorageAccess): Deleted.
>+        (WebKit::NetworkProcessProxy::didSetCacheMaxAgeCapForPrevalentResources): Deleted.
>+        * UIProcess/Network/NetworkProcessProxy.h:
>+        * UIProcess/Network/NetworkProcessProxy.messages.in:
>+        * UIProcess/WebPageProxy.cpp:
>+        * UIProcess/WebProcessPool.cpp:
>+        (WebKit::WebProcessPool::ensureNetworkProcess): Move WebsiteDataStore 'didCreateNetworkProcess'
>+        to 'processDidFinishLaunching'. Currently the call happens before a connection is established,
>+        causing initialization messages to get dropped.
>+        (WebKit::WebProcessPool::processDidFinishLaunching): Ditto.
>+        * UIProcess/WebsiteData/WebsiteDataStore.cpp:
>+        (WebKit::WebsiteDataStore::removeData):
>+        (WebKit::WebsiteDataStore::setMaxStatisticsEntries):
>+        (WebKit::WebsiteDataStore::setPruneEntriesDownTo):
>+        (WebKit::WebsiteDataStore::setGrandfatheringTime):
>+        (WebKit::WebsiteDataStore::setCacheMaxAgeCap):
>+        (WebKit::WebsiteDataStore::setMinimumTimeBetweenDataRecordsRemoval):
>+        (WebKit::WebsiteDataStore::setPrevalentResource):
>+        (WebKit::WebsiteDataStore::setShouldClassifyResourcesBeforeDataRecordsRemoval):
>+        (WebKit::WebsiteDataStore::scheduleClearInMemoryAndPersistent):
>+        (WebKit::WebsiteDataStore::setAgeCapForClientSideCookies):
>+        (WebKit::WebsiteDataStore::setNotifyPagesWhenDataRecordsWereScanned):
>+        (WebKit::WebsiteDataStore::setNotifyPagesWhenTelemetryWasCaptured):
>+        (WebKit::WebsiteDataStore::setTimeToLiveUserInteraction):
>+        (WebKit::WebsiteDataStore::setCacheMaxAgeCapForPrevalentResources):
>+        (WebKit::WebsiteDataStore::setResourceLoadStatisticsDebugMode):
>+        * UIProcess/WebsiteData/WebsiteDataStore.h:
>+        * WebKit.xcodeproj/project.pbxproj:
>+
> 2019-01-23  Brent Fulgham  <bfulgham@apple.com>
> 
>         REGRESSION (r240243): CrashTracer: WebKitTestRunnerApp at com.apple.WebKit: WebKit::WebResourceLoadStatisticsStore::sendDiagnosticMessageWithValue const + 32
>diff --git a/Source/WebKit/NetworkProcess/Classifier/ResourceLoadStatisticsMemoryStore.cpp b/Source/WebKit/NetworkProcess/Classifier/ResourceLoadStatisticsMemoryStore.cpp
>index 7685b6e33c62f1b8e94d3865719bf15cbba7f0d6..9744d48345c1853f8ac605371814c7abe352ea47 100644
>--- a/Source/WebKit/NetworkProcess/Classifier/ResourceLoadStatisticsMemoryStore.cpp
>+++ b/Source/WebKit/NetworkProcess/Classifier/ResourceLoadStatisticsMemoryStore.cpp
>@@ -33,6 +33,7 @@
> #include "PluginProcessManager.h"
> #include "PluginProcessProxy.h"
> #include "ResourceLoadStatisticsPersistentStorage.h"
>+#include "StorageAccessStatus.h"
> #include "WebProcessProxy.h"
> #include "WebResourceLoadStatisticsTelemetry.h"
> #include "WebsiteDataStore.h"
>diff --git a/Source/WebKit/NetworkProcess/Classifier/ShouldGrandfatherStatistics.h b/Source/WebKit/NetworkProcess/Classifier/ShouldGrandfatherStatistics.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..d2f8463d4f84e1feec2ad5a11aec014b06e3fae0
>--- /dev/null
>+++ b/Source/WebKit/NetworkProcess/Classifier/ShouldGrandfatherStatistics.h
>@@ -0,0 +1,36 @@
>+/*
>+ * Copyright (C) 2019 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
>+
>+namespace WebKit {
>+
>+enum class ShouldGrandfatherStatistics : bool {
>+    No,
>+    Yes,
>+};
>+    
>+
>+} // namespace WebKit
>diff --git a/Source/WebKit/NetworkProcess/Classifier/StorageAccessStatus.h b/Source/WebKit/NetworkProcess/Classifier/StorageAccessStatus.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..70b6a293362bfe43d13a453ac3160cfb73ec8a35
>--- /dev/null
>+++ b/Source/WebKit/NetworkProcess/Classifier/StorageAccessStatus.h
>@@ -0,0 +1,51 @@
>+/*
>+ * Copyright (C) 2019 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
>+
>+namespace WebKit {
>+
>+enum class StorageAccessStatus : uint8_t {
>+    CannotRequestAccess,
>+    RequiresUserPrompt,
>+    HasAccess
>+};
>+
>+} // namespace WebKit
>+
>+namespace WTF {
>+    
>+template<> struct EnumTraits<WebKit::StorageAccessStatus> {
>+    using values = EnumValues<
>+    WebKit::StorageAccessStatus,
>+    WebKit::StorageAccessStatus::CannotRequestAccess,
>+    WebKit::StorageAccessStatus::RequiresUserPrompt,
>+    WebKit::StorageAccessStatus::HasAccess
>+    >;
>+};
>+    
>+} // namespace WTF
>+
>+
>diff --git a/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.cpp b/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.cpp
>index 8e7735abf779ffdde8ea7502eba3d5e0c01690a8..e2c97540cc8d24d35d844902f28abba250a78066 100644
>--- a/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.cpp
>+++ b/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.cpp
>@@ -33,6 +33,8 @@
> #include "NetworkSession.h"
> #include "ResourceLoadStatisticsMemoryStore.h"
> #include "ResourceLoadStatisticsPersistentStorage.h"
>+#include "ShouldGrandfatherStatistics.h"
>+#include "StorageAccessStatus.h"
> #include "WebFrameProxy.h"
> #include "WebPageProxy.h"
> #include "WebProcessMessages.h"
>@@ -639,7 +641,7 @@ void WebResourceLoadStatisticsStore::setVeryPrevalentResource(const String& prim
>     });
> }
>     
>-void WebResourceLoadStatisticsStore::dumpResourceLoadStatistics(CompletionHandler<void(const String&)>&& completionHandler)
>+void WebResourceLoadStatisticsStore::dumpResourceLoadStatistics(CompletionHandler<void(String)>&& completionHandler)
> {
>     ASSERT(RunLoop::isMain());
> 
>@@ -1010,7 +1012,7 @@ void WebResourceLoadStatisticsStore::scheduleClearBlockingStateForDomains(const
>     });
> }
> 
>-void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(ShouldGrandfather shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     ASSERT(RunLoop::isMain());
>     postTask([this, protectedThis = makeRef(*this), shouldGrandfather, completionHandler = WTFMove(completionHandler)]() mutable {
>@@ -1023,7 +1025,7 @@ void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(ShouldGr
> 
>         if (m_memoryStore) {
>             m_memoryStore->clear([this, protectedThis = protectedThis.copyRef(), shouldGrandfather, completionHandlerCaller = WTFMove(completionHandlerCaller)] () mutable {
>-                if (shouldGrandfather == ShouldGrandfather::Yes) {
>+                if (shouldGrandfather == ShouldGrandfatherStatistics::Yes) {
>                     if (m_memoryStore)
>                         m_memoryStore->grandfatherExistingWebsiteData(completionHandlerCaller.release());
>                     else
>@@ -1031,13 +1033,13 @@ void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(ShouldGr
>                 }
>             });
>         } else {
>-            if (shouldGrandfather == ShouldGrandfather::Yes)
>+            if (shouldGrandfather == ShouldGrandfatherStatistics::Yes)
>                 RELEASE_LOG(ResourceLoadStatistics, "WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent Before being cleared, m_memoryStore is null when trying to grandfather data.");
>         }
>     });
> }
> 
>-void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfather shouldGrandfather, CompletionHandler<void()>&& callback)
>+void WebResourceLoadStatisticsStore::scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& callback)
> {
>     ASSERT(RunLoop::isMain());
> 
>diff --git a/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.h b/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.h
>index 251b3925bab5ac402a8ce4d7f942e1026b46f76c..b60aaac890ef3037e2fac7f16b87ebd804dd84e4 100644
>--- a/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.h
>+++ b/Source/WebKit/NetworkProcess/Classifier/WebResourceLoadStatisticsStore.h
>@@ -28,6 +28,7 @@
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
> 
> #include "Connection.h"
>+#include "StorageAccessStatus.h"
> #include "WebsiteDataType.h"
> #include <wtf/CompletionHandler.h>
> #include <wtf/RunLoop.h>
>@@ -55,17 +56,7 @@ class ResourceLoadStatisticsPersistentStorage;
> class WebFrameProxy;
> class WebProcessProxy;
> class WebsiteDataStore;
>-
>-enum class StorageAccessStatus : unsigned {
>-    CannotRequestAccess,
>-    RequiresUserPrompt,
>-    HasAccess
>-};
>-
>-enum class ShouldGrandfather {
>-    No,
>-    Yes,
>-};
>+enum class ShouldGrandfatherStatistics : bool;
> 
> class WebResourceLoadStatisticsStore final : public ThreadSafeRefCounted<WebResourceLoadStatisticsStore, WTF::DestructionThread::Main>, public IPC::MessageReceiver {
> public:
>@@ -116,7 +107,7 @@ public:
>     void setPrevalentResource(const String& resourceDomain, CompletionHandler<void()>&&);
>     void setVeryPrevalentResource(const URL&, CompletionHandler<void()>&&);
>     void setVeryPrevalentResource(const String& resourceDomain, CompletionHandler<void()>&&);
>-    void dumpResourceLoadStatistics(CompletionHandler<void(const String&)>&&);
>+    void dumpResourceLoadStatistics(CompletionHandler<void(String)>&&);
>     void isPrevalentResource(const URL&, CompletionHandler<void(bool)>&&);
>     void isPrevalentResource(const String&, CompletionHandler<void(bool)>&&);
>     void isVeryPrevalentResource(const URL&, CompletionHandler<void(bool)>&&);
>@@ -155,8 +146,8 @@ public:
>     void scheduleStatisticsAndDataRecordsProcessing(CompletionHandler<void()>&&);
>     void submitTelemetry(CompletionHandler<void()>&&);
>     void updatePrevalentDomainsToBlockCookiesFor(const Vector<String>& domainsToBlock);
>-    void scheduleClearInMemoryAndPersistent(ShouldGrandfather, CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfather, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
> 
>     void setTimeToLiveUserInteraction(Seconds, CompletionHandler<void()>&&);
>     void setMinimumTimeBetweenDataRecordsRemoval(Seconds, CompletionHandler<void()>&&);
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.cpp b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>index 607201129bff0726d5e45a53bc6fc131afbfcd42..c2fbf5bc003a91cfe4dccd0329612f5a7d1c4bfb 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>@@ -49,7 +49,9 @@
> #include "NetworkSessionCreationParameters.h"
> #include "PreconnectTask.h"
> #include "RemoteNetworkingContext.h"
>+#include "ShouldGrandfatherStatistics.h"
> #include "StatisticsData.h"
>+#include "StorageAccessStatus.h"
> #include "WebCookieManager.h"
> #include "WebPageProxyMessages.h"
> #include "WebProcessPoolMessages.h"
>@@ -595,23 +597,24 @@ void NetworkProcess::writeBlobToFilePath(const URL& url, const String& path, San
> }
> 
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-void NetworkProcess::dumpResourceLoadStatistics(PAL::SessionID sessionID, uint64_t contextId)
>+void NetworkProcess::dumpResourceLoadStatistics(PAL::SessionID sessionID, CompletionHandler<void(String)>&& completionHandler)
> {
>     if (auto* networkSession = this->networkSession(sessionID)) {
>-        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics()) {
>-            resourceLoadStatistics->dumpResourceLoadStatistics([this, contextId](const String& dumpedStatistics) {
>-                parentProcessConnection()->send(Messages::NetworkProcessProxy::DidDumpResourceLoadStatistics(dumpedStatistics, contextId), 0);
>-            });
>-        }
>-    } else
>+        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>+            resourceLoadStatistics->dumpResourceLoadStatistics(WTFMove(completionHandler));
>+        else
>+            completionHandler({ });
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler({ });
>+    }
> }
> 
>-void NetworkProcess::updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID sessionID, const Vector<String>& domainsToBlock, uint64_t contextId)
>+void NetworkProcess::updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID sessionID, const Vector<String>& domainsToBlock, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>         networkStorageSession->setPrevalentDomainsToBlockCookiesFor(domainsToBlock);
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::DidUpdateBlockCookies(contextId), 0);
>+    completionHandler();
> }
> 
> void NetworkProcess::isGrandfathered(PAL::SessionID sessionID, const String& targetPrimaryDomain, CompletionHandler<void(bool)>&& completionHandler)
>@@ -619,8 +622,12 @@ void NetworkProcess::isGrandfathered(PAL::SessionID sessionID, const String& tar
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isGrandfathered(targetPrimaryDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
> void NetworkProcess::isPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void(bool)>&& completionHandler)
>@@ -628,8 +635,12 @@ void NetworkProcess::isPrevalentResource(PAL::SessionID sessionID, const String&
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isPrevalentResource(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
> void NetworkProcess::isVeryPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void(bool)>&& completionHandler)
>@@ -637,15 +648,19 @@ void NetworkProcess::isVeryPrevalentResource(PAL::SessionID sessionID, const Str
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isVeryPrevalentResource(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
>-void NetworkProcess::setAgeCapForClientSideCookies(PAL::SessionID sessionID, Optional<Seconds> seconds, uint64_t contextId)
>+void NetworkProcess::setAgeCapForClientSideCookies(PAL::SessionID sessionID, Optional<Seconds> seconds, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>         networkStorageSession->setAgeCapForClientSideCookies(seconds);
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::DidSetAgeCapForClientSideCookies(contextId), 0);
>+    completionHandler();
> }
> 
> void NetworkProcess::setGrandfathered(PAL::SessionID sessionID, const String& resourceDomain, bool isGrandfathered, CompletionHandler<void()>&& completionHandler)
>@@ -653,8 +668,12 @@ void NetworkProcess::setGrandfathered(PAL::SessionID sessionID, const String& re
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setGrandfathered(resourceDomain, isGrandfathered, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void()>&& completionHandler)
>@@ -662,8 +681,12 @@ void NetworkProcess::setPrevalentResource(PAL::SessionID sessionID, const String
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setPrevalentResource(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setPrevalentResourceForDebugMode(PAL::SessionID sessionID, String resourceDomain, CompletionHandler<void()>&& completionHandler)
>@@ -671,8 +694,12 @@ void NetworkProcess::setPrevalentResourceForDebugMode(PAL::SessionID sessionID,
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setPrevalentResourceForDebugMode(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setVeryPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void()>&& completionHandler)
>@@ -680,8 +707,12 @@ void NetworkProcess::setVeryPrevalentResource(PAL::SessionID sessionID, const St
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setVeryPrevalentResource(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::clearPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void()>&& completionHandler)
>@@ -689,8 +720,12 @@ void NetworkProcess::clearPrevalentResource(PAL::SessionID sessionID, const Stri
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->clearPrevalentResource(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::submitTelemetry(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -698,8 +733,12 @@ void NetworkProcess::submitTelemetry(PAL::SessionID sessionID, CompletionHandler
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->submitTelemetry(WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::scheduleCookieBlockingUpdate(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -707,22 +746,28 @@ void NetworkProcess::scheduleCookieBlockingUpdate(PAL::SessionID sessionID, Comp
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->scheduleCookieBlockingUpdate(WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
>-void NetworkProcess::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, bool shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void NetworkProcess::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics()) {
>-            auto grandfather = shouldGrandfather ? ShouldGrandfather::Yes : ShouldGrandfather::No;
>             if (modifiedSince)
>-                resourceLoadStatistics->scheduleClearInMemoryAndPersistent(modifiedSince.value(), grandfather, WTFMove(completionHandler));
>+                resourceLoadStatistics->scheduleClearInMemoryAndPersistent(modifiedSince.value(), shouldGrandfather, WTFMove(completionHandler));
>             else
>-                resourceLoadStatistics->scheduleClearInMemoryAndPersistent(grandfather, WTFMove(completionHandler));
>-        }
>-    } else
>+                resourceLoadStatistics->scheduleClearInMemoryAndPersistent(shouldGrandfather, WTFMove(completionHandler));
>+        } else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::resetParametersToDefaultValues(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -730,8 +775,12 @@ void NetworkProcess::resetParametersToDefaultValues(PAL::SessionID sessionID, Co
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->resetParametersToDefaultValues(WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::scheduleStatisticsAndDataRecordsProcessing(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -739,8 +788,12 @@ void NetworkProcess::scheduleStatisticsAndDataRecordsProcessing(PAL::SessionID s
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->scheduleStatisticsAndDataRecordsProcessing(WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setNotifyPagesWhenDataRecordsWereScanned(PAL::SessionID sessionID, bool value, CompletionHandler<void()>&& completionHandler)
>@@ -748,8 +801,12 @@ void NetworkProcess::setNotifyPagesWhenDataRecordsWereScanned(PAL::SessionID ses
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setNotifyPagesWhenDataRecordsWereScanned(value, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setNotifyPagesWhenTelemetryWasCaptured(PAL::SessionID sessionID, bool value, CompletionHandler<void()>&& completionHandler)
>@@ -757,8 +814,12 @@ void NetworkProcess::setNotifyPagesWhenTelemetryWasCaptured(PAL::SessionID sessi
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setNotifyPagesWhenTelemetryWasCaptured(value, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setSubframeUnderTopFrameOrigin(PAL::SessionID sessionID, String subframe, String topFrame, CompletionHandler<void()>&& completionHandler)
>@@ -766,8 +827,12 @@ void NetworkProcess::setSubframeUnderTopFrameOrigin(PAL::SessionID sessionID, St
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setSubframeUnderTopFrameOrigin(subframe, topFrame, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::isRegisteredAsRedirectingTo(PAL::SessionID sessionID, const String& redirectedFrom, const String& redirectedTo, CompletionHandler<void(bool)>&& completionHandler)
>@@ -775,8 +840,12 @@ void NetworkProcess::isRegisteredAsRedirectingTo(PAL::SessionID sessionID, const
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isRegisteredAsRedirectingTo(redirectedFrom, redirectedTo, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::isRegisteredAsSubFrameUnder(PAL::SessionID sessionID, const String& subframe, const String& topFrame, CompletionHandler<void(bool)>&& completionHandler)
>@@ -784,8 +853,12 @@ void NetworkProcess::isRegisteredAsSubFrameUnder(PAL::SessionID sessionID, const
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isRegisteredAsSubFrameUnder(subframe, topFrame, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
> void NetworkProcess::setSubresourceUnderTopFrameOrigin(PAL::SessionID sessionID, String subresource, String topFrame, CompletionHandler<void()>&& completionHandler)
>@@ -793,8 +866,12 @@ void NetworkProcess::setSubresourceUnderTopFrameOrigin(PAL::SessionID sessionID,
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setSubresourceUnderTopFrameOrigin(subresource, topFrame, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setSubresourceUniqueRedirectTo(PAL::SessionID sessionID, String subresource, String hostNameRedirectedTo, CompletionHandler<void()>&& completionHandler)
>@@ -802,8 +879,12 @@ void NetworkProcess::setSubresourceUniqueRedirectTo(PAL::SessionID sessionID, St
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setSubresourceUniqueRedirectTo(subresource, hostNameRedirectedTo, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setSubresourceUniqueRedirectFrom(PAL::SessionID sessionID, String subresource, String hostNameRedirectedFrom, CompletionHandler<void()>&& completionHandler)
>@@ -811,8 +892,12 @@ void NetworkProcess::setSubresourceUniqueRedirectFrom(PAL::SessionID sessionID,
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setSubresourceUniqueRedirectFrom(subresource, hostNameRedirectedFrom, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::isRegisteredAsSubresourceUnder(PAL::SessionID sessionID, const String& subresource, const String& topFrame, CompletionHandler<void(bool)>&& completionHandler)
>@@ -820,8 +905,12 @@ void NetworkProcess::isRegisteredAsSubresourceUnder(PAL::SessionID sessionID, co
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->isRegisteredAsSubresourceUnder(subresource, topFrame, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
> void NetworkProcess::setTopFrameUniqueRedirectTo(PAL::SessionID sessionID, String topFrameHostName, String hostNameRedirectedTo, CompletionHandler<void()>&& completionHandler)
>@@ -829,8 +918,12 @@ void NetworkProcess::setTopFrameUniqueRedirectTo(PAL::SessionID sessionID, Strin
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setTopFrameUniqueRedirectTo(topFrameHostName, hostNameRedirectedTo, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setTopFrameUniqueRedirectFrom(PAL::SessionID sessionID, String topFrameHostName, String hostNameRedirectedFrom, CompletionHandler<void()>&& completionHandler)
>@@ -838,8 +931,12 @@ void NetworkProcess::setTopFrameUniqueRedirectFrom(PAL::SessionID sessionID, Str
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setTopFrameUniqueRedirectFrom(topFrameHostName, hostNameRedirectedFrom, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
>     
>     
>@@ -848,24 +945,33 @@ void NetworkProcess::setLastSeen(PAL::SessionID sessionID, const String& resourc
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setLastSeen(resourceDomain, seconds, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
>-void NetworkProcess::hasStorageAccessForFrame(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, uint64_t contextId)
>+void NetworkProcess::hasStorageAccessForFrame(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool)>&& completionHandler)
> {
>+    bool hasStorageAccess = false;
>     if (auto* networkStorageSession = storageSession(sessionID))
>-        parentProcessConnection()->send(Messages::NetworkProcessProxy::StorageAccessOperationResult(networkStorageSession->hasStorageAccess(resourceDomain, firstPartyDomain, frameID, pageID), contextId), 0);
>+        hasStorageAccess = networkStorageSession->hasStorageAccess(resourceDomain, firstPartyDomain, frameID, pageID);
>     else
>         ASSERT_NOT_REACHED();
>+
>+    completionHandler(hasStorageAccess);
> }
> 
>-void NetworkProcess::getAllStorageAccessEntries(PAL::SessionID sessionID, uint64_t contextId)
>+void NetworkProcess::getAllStorageAccessEntries(PAL::SessionID sessionID, CompletionHandler<void(Vector<String> domains)>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>-        parentProcessConnection()->send(Messages::NetworkProcessProxy::AllStorageAccessEntriesResult(networkStorageSession->getAllStorageAccessEntries(), contextId), 0);
>-    else
>+        completionHandler(networkStorageSession->getAllStorageAccessEntries());
>+    else {
>         ASSERT_NOT_REACHED();
>+        completionHandler({ });
>+    }
> }
> 
> void NetworkProcess::hasStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, CompletionHandler<void(bool)>&& completionHandler)
>@@ -873,23 +979,28 @@ void NetworkProcess::hasStorageAccess(PAL::SessionID sessionID, const String& re
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->hasStorageAccess(resourceDomain, firstPartyDomain, frameID, pageID, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
>-void NetworkProcess::requestStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, uint64_t contextId)
>+void NetworkProcess::requestStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, CompletionHandler<void(StorageAccessStatus)>&& completionHandler)
> {
>     if (auto* networkSession = this->networkSession(sessionID)) {
>-        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics()) {
>-            resourceLoadStatistics->requestStorageAccess(resourceDomain, firstPartyDomain, frameID, pageID, promptEnabled, [this, contextId](StorageAccessStatus promptAccepted) {
>-                parentProcessConnection()->send(Messages::NetworkProcessProxy::StorageAccessRequestResult(static_cast<unsigned>(promptAccepted), contextId), 0);
>-            });
>-        }
>-    } else
>+        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>+            resourceLoadStatistics->requestStorageAccess(resourceDomain, firstPartyDomain, frameID, pageID, promptEnabled, WTFMove(completionHandler));
>+        else
>+            completionHandler(StorageAccessStatus::CannotRequestAccess);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(StorageAccessStatus::CannotRequestAccess);
>+    }
> }
> 
>-void NetworkProcess::grantStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, uint64_t contextId)
>+void NetworkProcess::grantStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, CompletionHandler<void(bool)>&& completionHandler)
> {
>     bool isStorageGranted = false;
>     if (auto* networkStorageSession = storageSession(sessionID)) {
>@@ -899,7 +1010,7 @@ void NetworkProcess::grantStorageAccess(PAL::SessionID sessionID, const String&
>     } else
>         ASSERT_NOT_REACHED();
> 
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::StorageAccessOperationResult(isStorageGranted, contextId), 0);
>+    completionHandler(isStorageGranted);
> }
> 
> void NetworkProcess::logFrameNavigation(PAL::SessionID sessionID, const String& targetPrimaryDomain, const String& mainFramePrimaryDomain, const String& sourcePrimaryDomain, const String& targetHost, const String& mainFrameHost, bool isRedirect, bool isMainFrame)
>@@ -916,18 +1027,25 @@ void NetworkProcess::logUserInteraction(PAL::SessionID sessionID, const String&
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->logUserInteraction(targetPrimaryDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::hadUserInteraction(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void(bool)>&& completionHandler)
> {
>     if (auto* networkSession = this->networkSession(sessionID)) {
>-        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics()) {
>+        if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->hasHadUserInteraction(resourceDomain, WTFMove(completionHandler));
>-        }
>-    } else
>+        else
>+            completionHandler(false);
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler(false);
>+    }
> }
> 
> void NetworkProcess::clearUserInteraction(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void()>&& completionHandler)
>@@ -935,17 +1053,21 @@ void NetworkProcess::clearUserInteraction(PAL::SessionID sessionID, const String
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->clearUserInteraction(resourceDomain, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
>-void NetworkProcess::removeAllStorageAccess(PAL::SessionID sessionID, uint64_t contextId)
>+void NetworkProcess::removeAllStorageAccess(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>         networkStorageSession->removeAllStorageAccess();
>     else
>         ASSERT_NOT_REACHED();
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::DidRemoveAllStorageAccess(contextId), 0);
>+    completionHandler();
> }
> 
> void NetworkProcess::removePrevalentDomains(PAL::SessionID sessionID, const Vector<String>& domains)
>@@ -954,13 +1076,13 @@ void NetworkProcess::removePrevalentDomains(PAL::SessionID sessionID, const Vect
>         networkStorageSession->removePrevalentDomains(domains);
> }
> 
>-void NetworkProcess::setCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, Seconds seconds, uint64_t contextId)
>+void NetworkProcess::setCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>         networkStorageSession->setCacheMaxAgeCapForPrevalentResources(Seconds { seconds });
>     else
>         ASSERT_NOT_REACHED();
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::DidSetCacheMaxAgeCapForPrevalentResources(contextId), 0);
>+    completionHandler();
> }
> 
> void NetworkProcess::setGrandfatheringTime(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -968,8 +1090,12 @@ void NetworkProcess::setGrandfatheringTime(PAL::SessionID sessionID, Seconds sec
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setGrandfatheringTime(seconds, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setMaxStatisticsEntries(PAL::SessionID sessionID, uint64_t maximumEntryCount, CompletionHandler<void()>&& completionHandler)
>@@ -977,8 +1103,12 @@ void NetworkProcess::setMaxStatisticsEntries(PAL::SessionID sessionID, uint64_t
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setMaxStatisticsEntries(maximumEntryCount, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setMinimumTimeBetweenDataRecordsRemoval(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -986,8 +1116,12 @@ void NetworkProcess::setMinimumTimeBetweenDataRecordsRemoval(PAL::SessionID sess
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setMinimumTimeBetweenDataRecordsRemoval(seconds, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setPruneEntriesDownTo(PAL::SessionID sessionID, uint64_t pruneTargetCount, CompletionHandler<void()>&& completionHandler)
>@@ -995,8 +1129,12 @@ void NetworkProcess::setPruneEntriesDownTo(PAL::SessionID sessionID, uint64_t pr
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setPruneEntriesDownTo(pruneTargetCount, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setTimeToLiveUserInteraction(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -1004,8 +1142,12 @@ void NetworkProcess::setTimeToLiveUserInteraction(PAL::SessionID sessionID, Seco
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setTimeToLiveUserInteraction(seconds, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setShouldClassifyResourcesBeforeDataRecordsRemoval(PAL::SessionID sessionID, bool value, CompletionHandler<void()>&& completionHandler)
>@@ -1013,8 +1155,12 @@ void NetworkProcess::setShouldClassifyResourcesBeforeDataRecordsRemoval(PAL::Ses
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setShouldClassifyResourcesBeforeDataRecordsRemoval(value, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
> void NetworkProcess::setResourceLoadStatisticsEnabled(bool enabled)
>@@ -1028,17 +1174,21 @@ void NetworkProcess::setResourceLoadStatisticsDebugMode(PAL::SessionID sessionID
>     if (auto* networkSession = this->networkSession(sessionID)) {
>         if (auto* resourceLoadStatistics = networkSession->resourceLoadStatistics())
>             resourceLoadStatistics->setResourceLoadStatisticsDebugMode(debugMode, WTFMove(completionHandler));
>-    } else
>+        else
>+            completionHandler();
>+    } else {
>         ASSERT_NOT_REACHED();
>+        completionHandler();
>+    }
> }
> 
>-void NetworkProcess::resetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, uint64_t contextId)
>+void NetworkProcess::resetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
> {
>     if (auto* networkStorageSession = storageSession(sessionID))
>         networkStorageSession->resetCacheMaxAgeCapForPrevalentResources();
>     else
>         ASSERT_NOT_REACHED();
>-    parentProcessConnection()->send(Messages::NetworkProcessProxy::DidUpdateRuntimeSettings(contextId), 0);
>+    completionHandler();
> }
> #endif // ENABLE(RESOURCE_LOAD_STATISTICS)
> 
>@@ -1211,7 +1361,7 @@ void NetworkProcess::deleteWebsiteData(PAL::SessionID sessionID, OptionSet<Websi
> 
>                 // If we are deleting all of the data types that the resource load statistics store monitors
>                 // we do not need to re-grandfather old data.
>-                auto shouldGrandfather = ((monitoredTypesRaw & deletedTypesRaw) == monitoredTypesRaw) ? ShouldGrandfather::No : ShouldGrandfather::Yes;
>+                auto shouldGrandfather = ((monitoredTypesRaw & deletedTypesRaw) == monitoredTypesRaw) ? ShouldGrandfatherStatistics::No : ShouldGrandfatherStatistics::Yes;
> 
>                 resourceLoadStatistics->scheduleClearInMemoryAndPersistent(modifiedSince, shouldGrandfather, [clearTasksHandler = clearTasksHandler.copyRef()] { });
>             }
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.h b/Source/WebKit/NetworkProcess/NetworkProcess.h
>index afbebbde179e9c32e08f9bbd004a7de691f9a585..6efad28d111a1fa21d4f06190af8a32acf0f8b55 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.h
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.h
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2012-2018 Apple Inc. All rights reserved.
>+ * Copyright (C) 2012-2019 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -81,6 +81,8 @@ class NetworkProcessSupplement;
> class NetworkProximityManager;
> class WebSWServerConnection;
> class WebSWServerToContextConnection;
>+enum class ShouldGrandfatherStatistics : bool;
>+enum class StorageAccessStatus : uint8_t;
> enum class WebsiteDataFetchOption;
> enum class WebsiteDataType;
> struct NetworkProcessCreationParameters;
>@@ -176,12 +178,12 @@ public:
>     void clearPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void clearUserInteraction(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void deleteWebsiteDataForTopPrivatelyControlledDomainsInAllPersistentDataStores(PAL::SessionID, OptionSet<WebsiteDataType>, Vector<String>&& topPrivatelyControlledDomains, bool shouldNotifyPage, CompletionHandler<void(const HashSet<String>&)>&&);
>-    void dumpResourceLoadStatistics(PAL::SessionID, uint64_t contextId);
>-    void updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID, const Vector<String>& domainsToBlock, uint64_t contextId);
>+    void dumpResourceLoadStatistics(PAL::SessionID, CompletionHandler<void(String)>&&);
>+    void updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID, const Vector<String>& domainsToBlock, CompletionHandler<void()>&&);
>     void isGrandfathered(PAL::SessionID, const String& targetPrimaryDomain, CompletionHandler<void(bool)>&&);
>     void isPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void(bool)>&&);
>     void isVeryPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void(bool)>&&);
>-    void setAgeCapForClientSideCookies(PAL::SessionID, Optional<Seconds>, uint64_t contextId);
>+    void setAgeCapForClientSideCookies(PAL::SessionID, Optional<Seconds>, CompletionHandler<void()>&&);
>     void isRegisteredAsRedirectingTo(PAL::SessionID, const String& redirectedFrom, const String& redirectedTo, CompletionHandler<void(bool)>&&);
>     void isRegisteredAsSubFrameUnder(PAL::SessionID, const String& subframe, const String& topFrame, CompletionHandler<void(bool)>&&);
>     void isRegisteredAsSubresourceUnder(PAL::SessionID, const String& subresource, const String& topFrame, CompletionHandler<void(bool)>&&);
>@@ -192,22 +194,22 @@ public:
>     void setVeryPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void setPruneEntriesDownTo(PAL::SessionID, uint64_t pruneTargetCount, CompletionHandler<void()>&&);
>     void hadUserInteraction(PAL::SessionID, const String& resourceDomain, CompletionHandler<void(bool)>&&);
>-    void hasStorageAccessForFrame(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, uint64_t contextId);
>-    void getAllStorageAccessEntries(PAL::SessionID, uint64_t contextId);
>-    void grantStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, uint64_t contextId);
>+    void hasStorageAccessForFrame(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool)>&&);
>+    void getAllStorageAccessEntries(PAL::SessionID, CompletionHandler<void(Vector<String> domains)>&&);
>+    void grantStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, CompletionHandler<void(bool)>&&);
>     void hasStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, CompletionHandler<void(bool)>&&);
>     void logFrameNavigation(PAL::SessionID, const String& targetPrimaryDomain, const String& mainFramePrimaryDomain, const String& sourcePrimaryDomain, const String& targetHost, const String& mainFrameHost, bool isRedirect, bool isMainFrame);
>     void logUserInteraction(PAL::SessionID, const String& targetPrimaryDomain, CompletionHandler<void()>&&);
>-    void removeAllStorageAccess(PAL::SessionID, uint64_t contextId);
>+    void removeAllStorageAccess(PAL::SessionID, CompletionHandler<void()>&&);
>     void removePrevalentDomains(PAL::SessionID, const Vector<String>& domains);
>-    void requestStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, uint64_t contextId);
>-    void resetCacheMaxAgeCapForPrevalentResources(PAL::SessionID, uint64_t contextId);
>+    void requestStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, CompletionHandler<void(StorageAccessStatus)>&&);
>+    void resetCacheMaxAgeCapForPrevalentResources(PAL::SessionID, CompletionHandler<void()>&&);
>     void resetParametersToDefaultValues(PAL::SessionID, CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(PAL::SessionID, Optional<WallTime> modifiedSince, bool shouldGrandfather, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(PAL::SessionID, Optional<WallTime> modifiedSince, ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>     void scheduleCookieBlockingUpdate(PAL::SessionID, CompletionHandler<void()>&&);
>     void scheduleStatisticsAndDataRecordsProcessing(PAL::SessionID, CompletionHandler<void()>&&);
>     void submitTelemetry(PAL::SessionID, CompletionHandler<void()>&&);
>-    void setCacheMaxAgeCapForPrevalentResources(PAL::SessionID, Seconds, uint64_t contextId);
>+    void setCacheMaxAgeCapForPrevalentResources(PAL::SessionID, Seconds, CompletionHandler<void()>&&);
>     void setGrandfatheringTime(PAL::SessionID, Seconds, CompletionHandler<void()>&&);
>     void setLastSeen(PAL::SessionID, const String& resourceDomain, Seconds, CompletionHandler<void()>&&);
>     void setMinimumTimeBetweenDataRecordsRemoval(PAL::SessionID, Seconds, CompletionHandler<void()>&&);
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>index 62565812aae650a2a0e5544d7a4dca6c04db9643..5d2aa6d2cc01fffdac7aaa8935d6164117d4c063 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>@@ -1,4 +1,4 @@
>-# Copyright (C) 2012-2017 Apple Inc. All rights reserved.
>+# Copyright (C) 2012-2019 Apple Inc. All rights reserved.
> #
> # Redistribution and use in source and binary forms, with or without
> # modification, are permitted provided that the following conditions
>@@ -87,35 +87,35 @@ messages -> NetworkProcess LegacyReceiver {
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>     ClearPrevalentResource(PAL::SessionID sessionID, String resourceDomain) -> () Async
>     ClearUserInteraction(PAL::SessionID sessionID, String resourceDomain) -> () Async
>-    DumpResourceLoadStatistics(PAL::SessionID sessionID, uint64_t contextId)
>+    DumpResourceLoadStatistics(PAL::SessionID sessionID) -> (String dumpedStatistics) Async
>     SetResourceLoadStatisticsEnabled(bool enabled)
>-    UpdatePrevalentDomainsToBlockCookiesFor(PAL::SessionID sessionID, Vector<String> domainsToBlock, uint64_t contextId)
>+    UpdatePrevalentDomainsToBlockCookiesFor(PAL::SessionID sessionID, Vector<String> domainsToBlock) -> () Async
>     IsGrandfathered(PAL::SessionID sessionID, String targetPrimaryDomain) -> (bool isGrandfathered) Async
>     IsPrevalentResource(PAL::SessionID sessionID, String targetPrimaryDomain) -> (bool isPrevalent) Async
>     IsVeryPrevalentResource(PAL::SessionID sessionID, String targetPrimaryDomain) -> (bool isVeryPrevalent) Async
>-    SetAgeCapForClientSideCookies(PAL::SessionID sessionID, Optional<Seconds> seconds, uint64_t contextId)
>+    SetAgeCapForClientSideCookies(PAL::SessionID sessionID, Optional<Seconds> seconds) -> () Async
>     SetLastSeen(PAL::SessionID sessionID, String resourceDomain, Seconds seconds) -> () Async
>     SetPrevalentResource(PAL::SessionID sessionID, String resourceDomain) -> () Async
>     SetPrevalentResourceForDebugMode(PAL::SessionID sessionID, String resourceDomain) -> () Async
>     HadUserInteraction(PAL::SessionID sessionID, String resourceDomain) -> (bool hadUserInteraction) Async
>-    HasStorageAccessForFrame(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, uint64_t frameID, uint64_t pageID, uint64_t contextId)
>-    HasStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID) -> (bool hadUserInteraction) Async
>-    GetAllStorageAccessEntries(PAL::SessionID sessionID, uint64_t contextId)
>-    GrantStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, uint64_t contextId)
>+    HasStorageAccessForFrame(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, uint64_t frameID, uint64_t pageID) -> (bool hasStorageAccess) Async
>+    HasStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID) -> (bool hasStorageAccess) Async
>+    GetAllStorageAccessEntries(PAL::SessionID sessionID) -> (Vector<String> domains) Async
>+    GrantStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted) -> (bool accessGranted) Async
>     IsRegisteredAsRedirectingTo(PAL::SessionID sessionID, String redirectedFrom, String redirectedTo) -> (bool isRedirectingTo) Async
>     IsRegisteredAsSubFrameUnder(PAL::SessionID sessionID, String subframe, String topFrame) -> (bool isSubframeUnder) Async
>     IsRegisteredAsSubresourceUnder(PAL::SessionID sessionID, String subresource, String topFrame) -> (bool isSubresourceUnder) Async
>     LogFrameNavigation(PAL::SessionID sessionID, String targetPrimaryDomain, String mainFramePrimaryDomain, String sourcePrimaryDomain, String targetHost, String mainFrameHost, bool isRedirect, bool isMainFrame)
>     LogUserInteraction(PAL::SessionID sessionID, String targetPrimaryDomain) -> () Async
>-    RemoveAllStorageAccess(PAL::SessionID sessionID, uint64_t contextId)
>+    RemoveAllStorageAccess(PAL::SessionID sessionID) -> () Async
>     RemovePrevalentDomains(PAL::SessionID sessionID, Vector<String> domainsWithInteraction)
>-    RequestStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, uint64_t contextId)
>+    RequestStorageAccess(PAL::SessionID sessionID, String resourceDomain, String firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled) -> (enum:uint8_t WebKit::StorageAccessStatus storageAccessStatus) Async
>     ResetParametersToDefaultValues(PAL::SessionID sessionID) -> () Async
>-    ScheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, bool shouldGrandfather) -> () Async
>+    ScheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, enum:bool WebKit::ShouldGrandfatherStatistics shouldGrandfather) -> () Async
>     ScheduleCookieBlockingUpdate(PAL::SessionID sessionID) -> () Async
>     ScheduleStatisticsAndDataRecordsProcessing(PAL::SessionID sessionID) -> () Async
>     SubmitTelemetry(PAL::SessionID sessionID) -> () Async
>-    SetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, Seconds seconds, uint64_t contextId)
>+    SetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, Seconds seconds) -> () Async
>     SetGrandfathered(PAL::SessionID sessionID, String resourceDomain, bool isGrandfathered) -> () Async
>     SetGrandfatheringTime(PAL::SessionID sessionID, Seconds seconds) -> () Async
>     SetMaxStatisticsEntries(PAL::SessionID sessionID, uint64_t maximumEntryCount) -> () Async
>@@ -133,7 +133,7 @@ messages -> NetworkProcess LegacyReceiver {
>     SetTimeToLiveUserInteraction(PAL::SessionID sessionID, Seconds seconds) -> () Async
>     SetTopFrameUniqueRedirectTo(PAL::SessionID sessionID, String topFrameHostName, String hostNameRedirectedTo) -> () Async
>     SetTopFrameUniqueRedirectFrom(PAL::SessionID sessionID, String topFrameHostName, String hostNameRedirectedFrom) -> () Async
>-    ResetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, uint64_t contextId)
>+    ResetCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID) -> () Async
> #endif
> 
>     SetSessionIsControlledByAutomation(PAL::SessionID sessionID, bool controlled);
>diff --git a/Source/WebKit/UIProcess/API/C/WKWebsiteDataStoreRef.cpp b/Source/WebKit/UIProcess/API/C/WKWebsiteDataStoreRef.cpp
>index ba333c9f5fd35fd820eb855e0f525376be2f4c31..24b9d9f52c40d502038ad19db9a19486ba3a6a59 100644
>--- a/Source/WebKit/UIProcess/API/C/WKWebsiteDataStoreRef.cpp
>+++ b/Source/WebKit/UIProcess/API/C/WKWebsiteDataStoreRef.cpp
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2015 Apple Inc. All rights reserved.
>+ * Copyright (C) 2015-2019 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -29,6 +29,7 @@
> #include "APIArray.h"
> #include "APIWebsiteDataStore.h"
> #include "MockWebAuthenticationConfiguration.h"
>+#include "ShouldGrandfatherStatistics.h"
> #include "WKAPICast.h"
> #include "WKDictionary.h"
> #include "WKNumber.h"
>@@ -316,6 +317,8 @@ void WKWebsiteDataStoreStatisticsUpdateCookieBlocking(WKWebsiteDataStoreRef data
>     WebKit::toImpl(dataStoreRef)->websiteDataStore().scheduleCookieBlockingUpdate([context, completionHandler]() {
>         completionHandler(context);
>     });
>+#else
>+    completionHandler(context);
> #endif
> }
> 
>@@ -378,7 +381,7 @@ void WKWebsiteDataStoreSetStatisticsPruneEntriesDownTo(WKWebsiteDataStoreRef dat
> void WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStore(WKWebsiteDataStoreRef dataStoreRef, void* context, WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStoreFunction callback)
> {
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    WebKit::toImpl(dataStoreRef)->websiteDataStore().scheduleClearInMemoryAndPersistent(ShouldGrandfather::Yes, [context, callback]() {
>+    WebKit::toImpl(dataStoreRef)->websiteDataStore().scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics::Yes, [context, callback]() {
>         callback(context);
>     });
> #else
>@@ -389,9 +392,11 @@ void WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStore(WKWebsiteDataSt
> void WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStoreModifiedSinceHours(WKWebsiteDataStoreRef dataStoreRef, unsigned hours, void* context, WKWebsiteDataStoreStatisticsClearInMemoryAndPersistentStoreModifiedSinceHoursFunction callback)
> {
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    WebKit::toImpl(dataStoreRef)->websiteDataStore().scheduleClearInMemoryAndPersistent(WallTime::now() - Seconds::fromHours(hours), ShouldGrandfather::Yes, [context, callback]() {
>+    WebKit::toImpl(dataStoreRef)->websiteDataStore().scheduleClearInMemoryAndPersistent(WallTime::now() - Seconds::fromHours(hours), ShouldGrandfatherStatistics::Yes, [context, callback]() {
>         callback(context);
>     });
>+#else
>+    callback(context);
> #endif
> }
> 
>@@ -405,9 +410,13 @@ void WKWebsiteDataStoreStatisticsClearThroughWebsiteDataRemoval(WKWebsiteDataSto
> 
> void WKWebsiteDataStoreSetStatisticsCacheMaxAgeCap(WKWebsiteDataStoreRef dataStoreRef, double seconds, void* context, WKWebsiteDataStoreSetStatisticsCacheMaxAgeCapFunction callback)
> {
>+#if ENABLE(RESOURCE_LOAD_STATISTICS)
>     WebKit::toImpl(dataStoreRef)->websiteDataStore().setCacheMaxAgeCapForPrevalentResources(Seconds { seconds }, [context, callback] {
>         callback(context);
>     });
>+#else
>+    callback(context);
>+#endif
> }
> 
> void WKWebsiteDataStoreStatisticsResetToConsistentState(WKWebsiteDataStoreRef dataStoreRef, void* context, WKWebsiteDataStoreStatisticsResetToConsistentStateFunction completionHandler)
>@@ -421,7 +430,7 @@ void WKWebsiteDataStoreStatisticsResetToConsistentState(WKWebsiteDataStoreRef da
>     store.clearResourceLoadStatisticsInWebProcesses([callbackAggregator = callbackAggregator.copyRef()] { });
>     store.resetCacheMaxAgeCapForPrevalentResources([callbackAggregator = callbackAggregator.copyRef()] { });
>     store.resetParametersToDefaultValues([callbackAggregator = callbackAggregator.copyRef()] { });
>-    store.scheduleClearInMemoryAndPersistent(ShouldGrandfather::No, [callbackAggregator = callbackAggregator.copyRef()] { });
>+    store.scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics::No, [callbackAggregator = callbackAggregator.copyRef()] { });
> #else
>     UNUSED_PARAM(dataStoreRef);
>     completionHandler(context);
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
>index dd567de9388d0055c1349d9ac4b1dced13b6fc79..01890e5570884775322666c27098dbe00192fbe0 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
>+++ b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
>@@ -422,6 +422,8 @@ - (void)_getAllStorageAccessEntriesFor:(WKWebView *)webView completionHandler:(v
>             apiDomains.uncheckedAppend(API::String::create(domain));
>         completionHandler(wrapper(API::Array::create(WTFMove(apiDomains))));
>     });
>+#else
>+    completionHandler({ });
> #endif
> }
> 
>diff --git a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.cpp b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.cpp
>index cb062f5c81c396ef75b1dd610d44946a010a14b6..acaa8b56850ad4de305cd6edb2c26bd42094fb70 100644
>--- a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.cpp
>+++ b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.cpp
>@@ -37,6 +37,8 @@
> #include "NetworkProcessCreationParameters.h"
> #include "NetworkProcessMessages.h"
> #include "SandboxExtension.h"
>+#include "ShouldGrandfatherStatistics.h"
>+#include "StorageAccessStatus.h"
> #include "WebCompiledContentRuleList.h"
> #include "WebPageProxy.h"
> #include "WebProcessMessages.h"
>@@ -234,26 +236,6 @@ void NetworkProcessProxy::clearCallbackStates()
> 
>     while (!m_pendingDeleteWebsiteDataForOriginsCallbacks.isEmpty())
>         m_pendingDeleteWebsiteDataForOriginsCallbacks.take(m_pendingDeleteWebsiteDataForOriginsCallbacks.begin()->key)();
>-
>-#if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    while (!m_scheduleStatisticsProcessingCallbackMap.isEmpty())
>-        m_scheduleStatisticsProcessingCallbackMap.take(m_scheduleStatisticsProcessingCallbackMap.begin()->key)();
>-
>-    while (!m_storageAccessResponseCallbackMap.isEmpty())
>-        m_storageAccessResponseCallbackMap.take(m_storageAccessResponseCallbackMap.begin()->key)(false);
>-    
>-    while (!m_storageAccessRequestResponseCallbackMap.isEmpty())
>-        m_storageAccessRequestResponseCallbackMap.take(m_storageAccessRequestResponseCallbackMap.begin()->key)(StorageAccessStatus::CannotRequestAccess);
>-
>-    while (!m_removeAllStorageAccessCallbackMap.isEmpty())
>-        m_removeAllStorageAccessCallbackMap.take(m_removeAllStorageAccessCallbackMap.begin()->key)();
>-
>-    while (!m_allStorageAccessEntriesCallbackMap.isEmpty())
>-        m_allStorageAccessEntriesCallbackMap.take(m_allStorageAccessEntriesCallbackMap.begin()->key)({ });
>-
>-    while (!m_dumpStatisticsCallbackMap.isEmpty())
>-        m_dumpStatisticsCallbackMap.take(m_dumpStatisticsCallbackMap.begin()->key)({ });
>-#endif
> }
> 
> void NetworkProcessProxy::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
>@@ -290,16 +272,6 @@ void NetworkProcessProxy::didClose(IPC::Connection&)
>     m_syncAllCookiesToken = nullptr;
>     m_syncAllCookiesCounter = 0;
> 
>-#if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    for (auto& callback : m_removeAllStorageAccessCallbackMap.values())
>-        callback();
>-    m_removeAllStorageAccessCallbackMap.clear();
>-
>-    for (auto& callback : m_scheduleStatisticsProcessingCallbackMap.values())
>-        callback();
>-    m_scheduleStatisticsProcessingCallbackMap.clear();
>-#endif
>-
>     // This will cause us to be deleted.
>     networkProcessCrashed();
> }
>@@ -425,24 +397,14 @@ void NetworkProcessProxy::logGlobalDiagnosticMessageWithValue(const String& mess
> }
> 
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-void NetworkProcessProxy::dumpResourceLoadStatistics(PAL::SessionID sessionID, CompletionHandler<void(const String&)>&& completionHandler)
>+void NetworkProcessProxy::dumpResourceLoadStatistics(PAL::SessionID sessionID, CompletionHandler<void(String)>&& completionHandler)
> {
>     if (!canSendMessage()) {
>         completionHandler({ });
>         return;
>     }
>     
>-    auto callbackId = generateCallbackID();
>-    auto addResult = m_dumpStatisticsCallbackMap.add(callbackId, [protectedProcessPool = makeRef(m_processPool), token = throttler().backgroundActivityToken(), completionHandler = WTFMove(completionHandler)](const String& dumpedStatistics) mutable {
>-        completionHandler(dumpedStatistics);
>-    });
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::DumpResourceLoadStatistics(sessionID, callbackId), 0);
>-}
>-
>-void NetworkProcessProxy::didDumpResourceLoadStatistics(String dumpedStatistics, uint64_t callbackId)
>-{
>-    m_dumpStatisticsCallbackMap.take(callbackId)(dumpedStatistics);
>+    sendWithAsyncReply(Messages::NetworkProcess::DumpResourceLoadStatistics(sessionID), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID sessionID, const Vector<String>& domainsToBlock, CompletionHandler<void()>&& completionHandler)
>@@ -451,18 +413,8 @@ void NetworkProcessProxy::updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID
>         completionHandler();
>         return;
>     }
>-    
>-    auto callbackId = generateCallbackID();
>-    auto addResult = m_scheduleStatisticsProcessingCallbackMap.add(callbackId, [protectedProcessPool = makeRef(m_processPool), token = throttler().backgroundActivityToken(), completionHandler = WTFMove(completionHandler)]() mutable {
>-        completionHandler();
>-    });
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::UpdatePrevalentDomainsToBlockCookiesFor(sessionID, domainsToBlock, callbackId), 0);
>-}
> 
>-void NetworkProcessProxy::didUpdateBlockCookies(uint64_t callbackId)
>-{
>-    m_scheduleStatisticsProcessingCallbackMap.take(callbackId)();
>+    sendWithAsyncReply(Messages::NetworkProcess::UpdatePrevalentDomainsToBlockCookiesFor(sessionID, domainsToBlock), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::isPrevalentResource(PAL::SessionID sessionID, const String& resourceDomain, CompletionHandler<void(bool)>&& completionHandler)
>@@ -545,15 +497,14 @@ void NetworkProcessProxy::scheduleCookieBlockingUpdate(PAL::SessionID sessionID,
>     sendWithAsyncReply(Messages::NetworkProcess::ScheduleCookieBlockingUpdate(sessionID), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, ShouldGrandfather shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void NetworkProcessProxy::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, Optional<WallTime> modifiedSince, ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     if (!canSendMessage()) {
>         completionHandler();
>         return;
>     }
> 
>-    bool shouldGrandfatherBool = shouldGrandfather == ShouldGrandfather::Yes;
>-    sendWithAsyncReply(Messages::NetworkProcess::ScheduleClearInMemoryAndPersistent(sessionID, modifiedSince, shouldGrandfatherBool), WTFMove(completionHandler));
>+    sendWithAsyncReply(Messages::NetworkProcess::ScheduleClearInMemoryAndPersistent(sessionID, modifiedSince, shouldGrandfather), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::scheduleStatisticsAndDataRecordsProcessing(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -603,17 +554,7 @@ void NetworkProcessProxy::setAgeCapForClientSideCookies(PAL::SessionID sessionID
>         return;
>     }
>     
>-    auto callbackId = generateCallbackID();
>-    auto addResult = m_scheduleStatisticsProcessingCallbackMap.add(callbackId, [protectedProcessPool = makeRef(m_processPool), token = throttler().backgroundActivityToken(), completionHandler = WTFMove(completionHandler)]() mutable {
>-        completionHandler();
>-    });
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::SetAgeCapForClientSideCookies(sessionID, seconds, callbackId), 0);
>-}
>-
>-void NetworkProcessProxy::didSetAgeCapForClientSideCookies(uint64_t callbackId)
>-{
>-    m_scheduleStatisticsProcessingCallbackMap.take(callbackId)();
>+    sendWithAsyncReply(Messages::NetworkProcess::SetAgeCapForClientSideCookies(sessionID, seconds), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::setTimeToLiveUserInteraction(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -626,11 +567,6 @@ void NetworkProcessProxy::setTimeToLiveUserInteraction(PAL::SessionID sessionID,
>     sendWithAsyncReply(Messages::NetworkProcess::SetTimeToLiveUserInteraction(sessionID, seconds), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::didUpdateRuntimeSettings(uint64_t callbackId)
>-{
>-    m_updateRuntimeSettingsCallbackMap.take(callbackId)();
>-}
>-
> void NetworkProcessProxy::setNotifyPagesWhenTelemetryWasCaptured(PAL::SessionID sessionID, bool value, CompletionHandler<void()>&& completionHandler)
> {
>     if (!canSendMessage()) {
>@@ -761,17 +697,14 @@ void NetworkProcessProxy::setGrandfathered(PAL::SessionID sessionID, const Strin
>     sendWithAsyncReply(Messages::NetworkProcess::SetGrandfathered(sessionID, resourceDomain, isGrandfathered), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::hasStorageAccessForFrame(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, WTF::CompletionHandler<void(bool)>&& callback)
>+void NetworkProcessProxy::hasStorageAccessForFrame(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool)>&& completionHandler)
> {
>     if (!canSendMessage()) {
>-        callback(false);
>+        completionHandler(false);
>         return;
>     }
> 
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_storageAccessResponseCallbackMap.add(contextId, WTFMove(callback));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::HasStorageAccessForFrame(sessionID, resourceDomain, firstPartyDomain, frameID, pageID, contextId), 0);
>+    sendWithAsyncReply(Messages::NetworkProcess::HasStorageAccessForFrame(sessionID, resourceDomain, firstPartyDomain, frameID, pageID), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::hasStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, CompletionHandler<void(bool)>&& completionHandler)
>@@ -791,33 +724,17 @@ void NetworkProcessProxy::requestStorageAccess(PAL::SessionID sessionID, const S
>         return;
>     }
> 
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_storageAccessRequestResponseCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::RequestStorageAccess(sessionID, resourceDomain, firstPartyDomain, frameID, pageID, promptEnabled, contextId), 0);
>+    sendWithAsyncReply(Messages::NetworkProcess::RequestStorageAccess(sessionID, resourceDomain, firstPartyDomain, frameID, pageID, promptEnabled), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::grantStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, WTF::CompletionHandler<void(bool)>&& completionHandler)
>+void NetworkProcessProxy::grantStorageAccess(PAL::SessionID sessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, CompletionHandler<void(bool)>&& completionHandler)
> {
>     if (!canSendMessage()) {
>         completionHandler(false);
>         return;
>     }
> 
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_storageAccessResponseCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::GrantStorageAccess(sessionID, resourceDomain, firstPartyDomain, frameID.value(), pageID, userWasPrompted, contextId), 0);
>-}
>-
>-void NetworkProcessProxy::storageAccessRequestResult(unsigned status, uint64_t contextId)
>-{
>-    m_storageAccessRequestResponseCallbackMap.take(contextId)(static_cast<StorageAccessStatus>(status));
>-}
>-
>-void NetworkProcessProxy::storageAccessOperationResult(bool wasGranted, uint64_t contextId)
>-{
>-    m_storageAccessResponseCallbackMap.take(contextId)(wasGranted);
>+    sendWithAsyncReply(Messages::NetworkProcess::GrantStorageAccess(sessionID, resourceDomain, firstPartyDomain, frameID.value(), pageID, userWasPrompted), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::removeAllStorageAccess(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -827,34 +744,17 @@ void NetworkProcessProxy::removeAllStorageAccess(PAL::SessionID sessionID, Compl
>         return;
>     }
> 
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_removeAllStorageAccessCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::RemoveAllStorageAccess(sessionID, contextId), 0);
>+    sendWithAsyncReply(Messages::NetworkProcess::RemoveAllStorageAccess(sessionID), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::didRemoveAllStorageAccess(uint64_t contextId)
>-{
>-    m_removeAllStorageAccessCallbackMap.take(contextId)();
>-}
>-
>-void NetworkProcessProxy::getAllStorageAccessEntries(PAL::SessionID sessionID, CompletionHandler<void(Vector<String>&& domains)>&& callback)
>+void NetworkProcessProxy::getAllStorageAccessEntries(PAL::SessionID sessionID, CompletionHandler<void(Vector<String> domains)>&& completionHandler)
> {
>     if (!canSendMessage()) {
>-        callback({ });
>+        completionHandler({ });
>         return;
>     }
> 
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_allStorageAccessEntriesCallbackMap.add(contextId, WTFMove(callback));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::GetAllStorageAccessEntries(sessionID, contextId), 0);
>-}
>-
>-void NetworkProcessProxy::allStorageAccessEntriesResult(Vector<String>&& domains, uint64_t contextId)
>-{
>-    auto callback = m_allStorageAccessEntriesCallbackMap.take(contextId);
>-    callback(WTFMove(domains));
>+    sendWithAsyncReply(Messages::NetworkProcess::GetAllStorageAccessEntries(sessionID), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::setCacheMaxAgeCapForPrevalentResources(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -863,16 +763,8 @@ void NetworkProcessProxy::setCacheMaxAgeCapForPrevalentResources(PAL::SessionID
>         completionHandler();
>         return;
>     }
>-    
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_updateRuntimeSettingsCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::SetCacheMaxAgeCapForPrevalentResources(sessionID, seconds, contextId), 0);
>-}
> 
>-void NetworkProcessProxy::didSetCacheMaxAgeCapForPrevalentResources(uint64_t contextId)
>-{
>-    m_updateRuntimeSettingsCallbackMap.take(contextId)();
>+    sendWithAsyncReply(Messages::NetworkProcess::SetCacheMaxAgeCapForPrevalentResources(sessionID, seconds), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::setCacheMaxAgeCap(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -882,10 +774,7 @@ void NetworkProcessProxy::setCacheMaxAgeCap(PAL::SessionID sessionID, Seconds se
>         return;
>     }
>     
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_updateRuntimeSettingsCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::SetCacheMaxAgeCapForPrevalentResources(sessionID, seconds, contextId), 0);
>+    sendWithAsyncReply(Messages::NetworkProcess::SetCacheMaxAgeCapForPrevalentResources(sessionID, seconds), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::setGrandfatheringTime(PAL::SessionID sessionID, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -955,10 +844,7 @@ void NetworkProcessProxy::resetCacheMaxAgeCapForPrevalentResources(PAL::SessionI
>         return;
>     }
>     
>-    auto contextId = generateCallbackID();
>-    auto addResult = m_updateRuntimeSettingsCallbackMap.add(contextId, WTFMove(completionHandler));
>-    ASSERT_UNUSED(addResult, addResult.isNewEntry);
>-    send(Messages::NetworkProcess::ResetCacheMaxAgeCapForPrevalentResources(sessionID, contextId), 0);
>+    sendWithAsyncReply(Messages::NetworkProcess::ResetCacheMaxAgeCapForPrevalentResources(sessionID), WTFMove(completionHandler));
> }
> 
> void NetworkProcessProxy::resetParametersToDefaultValues(PAL::SessionID sessionID, CompletionHandler<void()>&& completionHandler)
>@@ -981,13 +867,12 @@ void NetworkProcessProxy::submitTelemetry(PAL::SessionID sessionID, CompletionHa
>     sendWithAsyncReply(Messages::NetworkProcess::SubmitTelemetry(sessionID), WTFMove(completionHandler));
> }
> 
>-void NetworkProcessProxy::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, bool shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void NetworkProcessProxy::scheduleClearInMemoryAndPersistent(PAL::SessionID sessionID, ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     if (!canSendMessage()) {
>         completionHandler();
>         return;
>     }
>-    
> 
>     sendWithAsyncReply(Messages::NetworkProcess::ScheduleClearInMemoryAndPersistent(sessionID, { }, shouldGrandfather), WTFMove(completionHandler));
> }
>diff --git a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.h b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.h
>index e351a06b75ad78e50995fa1f8fd8bba38ebb0a9e..335380b10a5c4ed2a77d193a29e291bc2ae475ed 100644
>--- a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.h
>+++ b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.h
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2012 Apple Inc. All rights reserved.
>+ * Copyright (C) 2012-2019 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -57,7 +57,8 @@ namespace WebKit {
> class DownloadProxy;
> class DownloadProxyMap;
> class WebProcessPool;
>-enum class StorageAccessStatus : unsigned;
>+enum class ShouldGrandfatherStatistics : bool;
>+enum class StorageAccessStatus : uint8_t;
> enum class WebsiteDataFetchOption;
> enum class WebsiteDataType;
> struct NetworkProcessCreationParameters;
>@@ -80,7 +81,7 @@ public:
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>     void clearPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void clearUserInteraction(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>-    void dumpResourceLoadStatistics(PAL::SessionID, CompletionHandler<void(const String&)>&&);
>+    void dumpResourceLoadStatistics(PAL::SessionID, CompletionHandler<void(String)>&&);
>     void updatePrevalentDomainsToBlockCookiesFor(PAL::SessionID, const Vector<String>& domainsToBlock, CompletionHandler<void()>&&);
>     void hasHadUserInteraction(PAL::SessionID, const String& resourceDomain, CompletionHandler<void(bool)>&&);
>     void isGrandfathered(PAL::SessionID, const String& resourceDomain, CompletionHandler<void(bool)>&&);
>@@ -107,15 +108,15 @@ public:
>     void setPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void setPrevalentResourceForDebugMode(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>     void setVeryPrevalentResource(PAL::SessionID, const String& resourceDomain, CompletionHandler<void()>&&);
>-    void hasStorageAccessForFrame(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool)>&& callback);
>-    void getAllStorageAccessEntries(PAL::SessionID, CompletionHandler<void(Vector<String>&& domains)>&&);
>-    void grantStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, WTF::CompletionHandler<void(bool)>&&);
>+    void hasStorageAccessForFrame(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool)>&&);
>+    void getAllStorageAccessEntries(PAL::SessionID, CompletionHandler<void(Vector<String> domains)>&&);
>+    void grantStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool userWasPrompted, CompletionHandler<void(bool)>&&);
>     void hasStorageAccess(PAL::SessionID, const String& subFrameHost, const String& topFrameHost, Optional<uint64_t> frameID, uint64_t pageID, CompletionHandler<void(bool)>&&);
>     void requestStorageAccess(PAL::SessionID, const String& resourceDomain, const String& firstPartyDomain, Optional<uint64_t> frameID, uint64_t pageID, bool promptEnabled, CompletionHandler<void(StorageAccessStatus)>&&);
>     void resetParametersToDefaultValues(PAL::SessionID, CompletionHandler<void()>&&);
>     void removeAllStorageAccess(PAL::SessionID, CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(PAL::SessionID, bool shouldGrandfather, CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(PAL::SessionID, Optional<WallTime> modifiedSince, ShouldGrandfather, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(PAL::SessionID, ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(PAL::SessionID, Optional<WallTime> modifiedSince, ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>     void scheduleCookieBlockingUpdate(PAL::SessionID, CompletionHandler<void()>&&);
>     void submitTelemetry(PAL::SessionID, CompletionHandler<void()>&&);
>     void setCacheMaxAgeCapForPrevalentResources(PAL::SessionID, Seconds, CompletionHandler<void()>&&);
>@@ -184,15 +185,6 @@ private:
>     void logDiagnosticMessageWithValue(uint64_t pageID, const String& message, const String& description, double value, unsigned significantFigures, WebCore::ShouldSample);
>     void logGlobalDiagnosticMessageWithValue(const String& message, const String& description, double value, unsigned significantFigures, WebCore::ShouldSample);
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    void didDumpResourceLoadStatistics(String dumpedStatistics, uint64_t callbackId);
>-    void didUpdateBlockCookies(uint64_t contextId);
>-    void didSetAgeCapForClientSideCookies(uint64_t contextId);
>-    void storageAccessOperationResult(bool wasGranted, uint64_t contextId);
>-    void storageAccessRequestResult(unsigned wasGranted, uint64_t contextId);
>-    void allStorageAccessEntriesResult(Vector<String>&& domains, uint64_t contextId);
>-    void didRemoveAllStorageAccess(uint64_t contextId);
>-    void didSetCacheMaxAgeCapForPrevalentResources(uint64_t contextId);
>-    void didUpdateRuntimeSettings(uint64_t contextId);
>     void notifyResourceLoadStatisticsProcessed();
>     void notifyWebsiteDataDeletionForTopPrivatelyOwnedDomainsFinished();
>     void notifyWebsiteDataScanForTopPrivatelyControlledDomainsFinished();
>@@ -239,17 +231,6 @@ private:
>     
>     unsigned m_syncAllCookiesCounter { 0 };
> 
>-#if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    HashMap<uint64_t, CompletionHandler<void()>> m_scheduleStatisticsProcessingCallbackMap;
>-    HashMap<uint64_t, CompletionHandler<void(bool wasGranted)>> m_storageAccessResponseCallbackMap;
>-    HashMap<uint64_t, CompletionHandler<void(StorageAccessStatus wasGranted)>> m_storageAccessRequestResponseCallbackMap;
>-    HashMap<uint64_t, CompletionHandler<void()>> m_removeAllStorageAccessCallbackMap;
>-    HashMap<uint64_t, CompletionHandler<void(Vector<String>&& domains)>> m_allStorageAccessEntriesCallbackMap;
>-    HashMap<uint64_t, CompletionHandler<void(const String&)>> m_dumpStatisticsCallbackMap;
>-#endif
>-
>-    HashMap<uint64_t, CompletionHandler<void()>> m_updateRuntimeSettingsCallbackMap;
>-
> #if ENABLE(CONTENT_EXTENSIONS)
>     HashSet<WebUserContentControllerProxy*> m_webUserContentControllerProxies;
> #endif
>diff --git a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.messages.in b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.messages.in
>index 84e0e8f644118ec47374e2dcb38e43ea13c88e35..1bc30dbfef1009e260221e0c868b5d3177725636 100644
>--- a/Source/WebKit/UIProcess/Network/NetworkProcessProxy.messages.in
>+++ b/Source/WebKit/UIProcess/Network/NetworkProcessProxy.messages.in
>@@ -41,15 +41,6 @@ messages -> NetworkProcessProxy LegacyReceiver {
>     LogGlobalDiagnosticMessageWithValue(String message, String description, double value, unsigned significantFigures, enum:bool WebCore::ShouldSample shouldSample)
> 
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-    DidDumpResourceLoadStatistics(String dumpedStatistics, uint64_t callbackId)
>-    DidUpdateBlockCookies(uint64_t callbackId)
>-    DidSetAgeCapForClientSideCookies(uint64_t callbackId)
>-    StorageAccessOperationResult(bool wasGranted, uint64_t contextId)
>-    StorageAccessRequestResult(unsigned wasGranted, uint64_t contextId)
>-    AllStorageAccessEntriesResult(Vector<String> domains, uint64_t contextId)
>-    DidRemoveAllStorageAccess(uint64_t contextId)
>-    DidSetCacheMaxAgeCapForPrevalentResources(uint64_t contextId)
>-    DidUpdateRuntimeSettings(uint64_t contextId)
>     NotifyResourceLoadStatisticsProcessed()
>     NotifyWebsiteDataDeletionForTopPrivatelyOwnedDomainsFinished()
>     NotifyWebsiteDataScanForTopPrivatelyControlledDomainsFinished()
>diff --git a/Source/WebKit/UIProcess/WebProcessPool.cpp b/Source/WebKit/UIProcess/WebProcessPool.cpp
>index e0d5bb14f2c84ca592c51e3eb5f0af998385f92f..a4ca7d9232cceaa370c30fa45eb24f05938c534f 100644
>--- a/Source/WebKit/UIProcess/WebProcessPool.cpp
>+++ b/Source/WebKit/UIProcess/WebProcessPool.cpp
>@@ -591,9 +591,6 @@ NetworkProcessProxy& WebProcessPool::ensureNetworkProcess(WebsiteDataStore* with
>             m_networkProcess->addSession(*websiteDataStore);
>     }
> 
>-    if (m_websiteDataStore)
>-        m_websiteDataStore->websiteDataStore().didCreateNetworkProcess();
>-
>     return *m_networkProcess;
> }
> 
>@@ -1034,6 +1031,9 @@ void WebProcessPool::processDidFinishLaunching(WebProcessProxy* process)
>         process->connection()->ignoreTimeoutsForTesting();
> 
>     m_connectionClient.didCreateConnection(this, process->webConnection());
>+
>+    if (m_websiteDataStore)
>+        m_websiteDataStore->websiteDataStore().didCreateNetworkProcess();
> }
> 
> void WebProcessPool::disconnectProcess(WebProcessProxy* process)
>diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>index b18fce7906f8e2bb8c5bd2464460608e4ccfeadd..b7c818233ec4804b84cb9ae8022aff4fce2f8d20 100644
>--- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>+++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
>@@ -33,6 +33,8 @@
> #include "DeviceIdHashSaltStorage.h"
> #include "MockAuthenticatorManager.h"
> #include "NetworkProcessMessages.h"
>+#include "ShouldGrandfatherStatistics.h"
>+#include "StorageAccessStatus.h"
> #include "StorageManager.h"
> #include "WebCookieManagerProxy.h"
> #include "WebProcessMessages.h"
>@@ -942,7 +944,7 @@ void WebsiteDataStore::removeData(OptionSet<WebsiteDataType> dataTypes, WallTime
>         
>         // If we are deleting all of the data types that the resource load statistics store monitors
>         // we do not need to re-grandfather old data.
>-        auto shouldGrandfather = ((monitoredTypesRaw & deletedTypesRaw) == monitoredTypesRaw) ? ShouldGrandfather::No : ShouldGrandfather::Yes;
>+        auto shouldGrandfather = ((monitoredTypesRaw & deletedTypesRaw) == monitoredTypesRaw) ? ShouldGrandfatherStatistics::No : ShouldGrandfatherStatistics::Yes;
>         
>         if (m_resourceLoadStatistics) {
>             callbackAggregator->addPendingCallback();
>@@ -1252,11 +1254,11 @@ void WebsiteDataStore::removeData(OptionSet<WebsiteDataType> dataTypes, const Ve
>         // we do not need to re-grandfather old data.
>         callbackAggregator->addPendingCallback();
>         if ((monitoredTypesRaw & deletedTypesRaw) == monitoredTypesRaw)
>-            m_resourceLoadStatistics->scheduleClearInMemoryAndPersistent(ShouldGrandfather::No, [callbackAggregator] {
>+            m_resourceLoadStatistics->scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics::No, [callbackAggregator] {
>                 callbackAggregator->removePendingCallback();
>             });
>         else
>-            m_resourceLoadStatistics->scheduleClearInMemoryAndPersistent(ShouldGrandfather::Yes, [callbackAggregator] {
>+            m_resourceLoadStatistics->scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics::Yes, [callbackAggregator] {
>                 callbackAggregator->removePendingCallback();
>             });
> 
>@@ -1292,10 +1294,8 @@ void WebsiteDataStore::setMaxStatisticsEntries(size_t maximumEntryCount, Complet
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setMaxStatisticsEntries(m_sessionID, maximumEntryCount, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setMaxStatisticsEntries(m_sessionID, maximumEntryCount, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setPruneEntriesDownTo(size_t pruneTargetCount, CompletionHandler<void()>&& completionHandler)
>@@ -1310,8 +1310,7 @@ void WebsiteDataStore::setPruneEntriesDownTo(size_t pruneTargetCount, Completion
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>     for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setPruneEntriesDownTo(m_sessionID, pruneTargetCount, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>+        processPool->ensureNetworkProcess().setPruneEntriesDownTo(m_sessionID, pruneTargetCount, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>     }
> }
> 
>@@ -1326,10 +1325,8 @@ void WebsiteDataStore::setGrandfatheringTime(Seconds seconds, CompletionHandler<
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setGrandfatheringTime(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setGrandfatheringTime(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setCacheMaxAgeCap(Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -1344,10 +1341,8 @@ void WebsiteDataStore::setCacheMaxAgeCap(Seconds seconds, CompletionHandler<void
> 
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setCacheMaxAgeCap(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setCacheMaxAgeCap(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setMinimumTimeBetweenDataRecordsRemoval(Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -1361,10 +1356,8 @@ void WebsiteDataStore::setMinimumTimeBetweenDataRecordsRemoval(Seconds seconds,
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setMinimumTimeBetweenDataRecordsRemoval(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setMinimumTimeBetweenDataRecordsRemoval(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
>     
> void WebsiteDataStore::dumpResourceLoadStatistics(CompletionHandler<void(const String&)>&& completionHandler)
>@@ -1425,8 +1418,7 @@ void WebsiteDataStore::setPrevalentResource(const URL& url, CompletionHandler<vo
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>     for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setPrevalentResource(m_sessionID, WebCore::ResourceLoadStatistics::primaryDomain(url), [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>+        processPool->ensureNetworkProcess().setPrevalentResource(m_sessionID, WebCore::ResourceLoadStatistics::primaryDomain(url), [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>     }
> }
> 
>@@ -1508,10 +1500,8 @@ void WebsiteDataStore::setShouldClassifyResourcesBeforeDataRecordsRemoval(bool v
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setShouldClassifyResourcesBeforeDataRecordsRemoval(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setShouldClassifyResourcesBeforeDataRecordsRemoval(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setSubframeUnderTopFrameOrigin(const URL& subframe, const URL& topFrame, CompletionHandler<void()>&& completionHandler)
>@@ -1755,7 +1745,7 @@ void WebsiteDataStore::submitTelemetry()
>     }
> }
> 
>-void WebsiteDataStore::scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfather shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void WebsiteDataStore::scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     ASSERT(RunLoop::isMain());
>     
>@@ -1772,7 +1762,7 @@ void WebsiteDataStore::scheduleClearInMemoryAndPersistent(WallTime modifiedSince
>     }
> }
> 
>-void WebsiteDataStore::scheduleClearInMemoryAndPersistent(ShouldGrandfather shouldGrandfather, CompletionHandler<void()>&& completionHandler)
>+void WebsiteDataStore::scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics shouldGrandfather, CompletionHandler<void()>&& completionHandler)
> {
>     ASSERT(RunLoop::isMain());
>     
>@@ -1837,10 +1827,8 @@ void WebsiteDataStore::setAgeCapForClientSideCookies(Optional<Seconds> seconds,
> {
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
>     
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setAgeCapForClientSideCookies(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setAgeCapForClientSideCookies(m_sessionID, seconds, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setLastSeen(const URL& url, Seconds seconds, CompletionHandler<void()>&& completionHandler)
>@@ -1873,10 +1861,8 @@ void WebsiteDataStore::setNotifyPagesWhenDataRecordsWereScanned(bool value, Comp
> 
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
> 
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setNotifyPagesWhenDataRecordsWereScanned(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setNotifyPagesWhenDataRecordsWereScanned(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::setNotifyPagesWhenTelemetryWasCaptured(bool value, CompletionHandler<void()>&& completionHandler)
>@@ -1888,10 +1874,8 @@ void WebsiteDataStore::setNotifyPagesWhenTelemetryWasCaptured(bool value, Comple
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
>     
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setNotifyPagesWhenTelemetryWasCaptured(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setNotifyPagesWhenTelemetryWasCaptured(m_sessionID, value, [processPool, callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::hasStorageAccessForFrameHandler(const String& resourceDomain, const String& firstPartyDomain, uint64_t frameID, uint64_t pageID, CompletionHandler<void(bool hasAccess)>&& completionHandler)
>@@ -2021,10 +2005,8 @@ void WebsiteDataStore::setTimeToLiveUserInteraction(Seconds seconds, CompletionH
> 
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
>     
>-    for (auto& processPool : processPools()) {
>-        if (auto* networkProcess = processPool->networkProcess())
>-            networkProcess->setTimeToLiveUserInteraction(m_sessionID, seconds, [callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setTimeToLiveUserInteraction(m_sessionID, seconds, [callbackAggregator = callbackAggregator.copyRef()] { });
> }
> 
> void WebsiteDataStore::logUserInteraction(const URL& url, CompletionHandler<void()>&& completionHandler)
>@@ -2145,10 +2127,8 @@ void WebsiteDataStore::setCacheMaxAgeCapForPrevalentResources(Seconds seconds, C
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
>     
>-    for (auto& processPool : processPools()) {
>-        if (auto* networkProcess = processPool->networkProcess())
>-            networkProcess->setCacheMaxAgeCapForPrevalentResources(m_sessionID, seconds, [callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setCacheMaxAgeCapForPrevalentResources(m_sessionID, seconds, [callbackAggregator = callbackAggregator.copyRef()] { });
> #else
>     UNUSED_PARAM(seconds);
>     completionHandler();
>@@ -2380,10 +2360,8 @@ void WebsiteDataStore::setResourceLoadStatisticsDebugMode(bool enabled, Completi
>     
>     auto callbackAggregator = CallbackAggregator::create(WTFMove(completionHandler));
>     
>-    for (auto& processPool : processPools()) {
>-        if (auto* process = processPool->networkProcess())
>-            process->setResourceLoadStatisticsDebugMode(m_sessionID, enabled, [callbackAggregator = callbackAggregator.copyRef()] { });
>-    }
>+    for (auto& processPool : processPools())
>+        processPool->ensureNetworkProcess().setResourceLoadStatisticsDebugMode(m_sessionID, enabled, [callbackAggregator = callbackAggregator.copyRef()] { });
> #else
>     UNUSED_PARAM(enabled);
>     UNUSED_PARAM(completionHandler);
>diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>index c650528a1abf0fcdb96d5b91610b2fab511614cc..e528f6dd36c871643d7f2ab01f3f23105e2cf172 100644
>--- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>+++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
>@@ -72,8 +72,8 @@ struct WebsiteDataRecord;
> struct WebsiteDataStoreParameters;
> 
> #if ENABLE(RESOURCE_LOAD_STATISTICS)
>-enum class ShouldGrandfather;
>-enum class StorageAccessStatus : unsigned;
>+enum class ShouldGrandfatherStatistics : bool;
>+enum class StorageAccessStatus : uint8_t;
> enum class StorageAccessPromptStatus;
> #endif
> 
>@@ -143,8 +143,8 @@ public:
>     void removePrevalentDomains(const Vector<String>& domains);
>     void resetParametersToDefaultValues(CompletionHandler<void()>&&);
>     void scheduleCookieBlockingUpdate(CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfather, CompletionHandler<void()>&&);
>-    void scheduleClearInMemoryAndPersistent(ShouldGrandfather, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(WallTime modifiedSince, ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>+    void scheduleClearInMemoryAndPersistent(ShouldGrandfatherStatistics, CompletionHandler<void()>&&);
>     void scheduleStatisticsAndDataRecordsProcessing(CompletionHandler<void()>&&);
>     void submitTelemetry();
>     void setCacheMaxAgeCap(Seconds, CompletionHandler<void()>&&);
>diff --git a/Source/WebKit/WebKit.xcodeproj/project.pbxproj b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>index 959e28364be689f157d1662d50288fcbc6eda906..a0b70ca478d5e3341a38359cbf24d98de4409186 100644
>--- a/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>+++ b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>@@ -1092,6 +1092,8 @@
> 		762B748D120BC75C00819339 /* WKPreferencesRefPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 762B7484120BBA2D00819339 /* WKPreferencesRefPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		7A1E2A851EEFE8920037A0E0 /* APINotificationProvider.h in Headers */ = {isa = PBXBuildFile; fileRef = 7A1E2A841EEFE88A0037A0E0 /* APINotificationProvider.h */; };
> 		7A3ACE1B1EEEF79B00A864A4 /* APIInjectedBundlePageLoaderClient.h in Headers */ = {isa = PBXBuildFile; fileRef = 7A3ACE1A1EEEF78C00A864A4 /* APIInjectedBundlePageLoaderClient.h */; };
>+		7A3FECA221F7C09700F267CD /* StorageAccessStatus.h in Headers */ = {isa = PBXBuildFile; fileRef = 7A3FECA121F7C09700F267CD /* StorageAccessStatus.h */; };
>+		7A41E9FB21F81DAD00B88CDB /* ShouldGrandfatherStatistics.h in Headers */ = {isa = PBXBuildFile; fileRef = 7A41E9FA21F81DAC00B88CDB /* ShouldGrandfatherStatistics.h */; };
> 		7A772C8D1DDD4A25000F34F1 /* com.apple.WebKit.plugin-common.sb in Copy Plug-in Sandbox Profiles */ = {isa = PBXBuildFile; fileRef = 7A1506721DD56298001F4B58 /* com.apple.WebKit.plugin-common.sb */; };
> 		7A791EFA1C7CFCF100C4C52B /* WebResourceLoadStatisticsStoreMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7A791EF91C7CFB3700C4C52B /* WebResourceLoadStatisticsStoreMessageReceiver.cpp */; };
> 		7A791EFB1C7CFD0100C4C52B /* WebResourceLoadStatisticsStoreMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 7A791EF81C7CFB1000C4C52B /* WebResourceLoadStatisticsStoreMessages.h */; };
>@@ -3511,6 +3513,8 @@
> 		7A1506721DD56298001F4B58 /* com.apple.WebKit.plugin-common.sb */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = "com.apple.WebKit.plugin-common.sb"; path = "DerivedSources/WebKit2/com.apple.WebKit.plugin-common.sb"; sourceTree = BUILT_PRODUCTS_DIR; };
> 		7A1E2A841EEFE88A0037A0E0 /* APINotificationProvider.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = APINotificationProvider.h; sourceTree = "<group>"; };
> 		7A3ACE1A1EEEF78C00A864A4 /* APIInjectedBundlePageLoaderClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = APIInjectedBundlePageLoaderClient.h; sourceTree = "<group>"; };
>+		7A3FECA121F7C09700F267CD /* StorageAccessStatus.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StorageAccessStatus.h; path = Classifier/StorageAccessStatus.h; sourceTree = "<group>"; };
>+		7A41E9FA21F81DAC00B88CDB /* ShouldGrandfatherStatistics.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ShouldGrandfatherStatistics.h; path = Classifier/ShouldGrandfatherStatistics.h; sourceTree = "<group>"; };
> 		7A5E39491D5BD8A700B4B7CE /* com.macromedia.Flash Player ESR.plugin.sb */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "com.macromedia.Flash Player ESR.plugin.sb"; sourceTree = "<group>"; };
> 		7A791EF81C7CFB1000C4C52B /* WebResourceLoadStatisticsStoreMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = WebResourceLoadStatisticsStoreMessages.h; path = DerivedSources/WebKit2/WebResourceLoadStatisticsStoreMessages.h; sourceTree = BUILT_PRODUCTS_DIR; };
> 		7A791EF91C7CFB3700C4C52B /* WebResourceLoadStatisticsStoreMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = WebResourceLoadStatisticsStoreMessageReceiver.cpp; path = DerivedSources/WebKit2/WebResourceLoadStatisticsStoreMessageReceiver.cpp; sourceTree = BUILT_PRODUCTS_DIR; };
>@@ -6895,6 +6899,8 @@
> 				7AFBD36521E51BAB005DBACB /* ResourceLoadStatisticsMemoryStore.h */,
> 				7AFBD36921E542E8005DBACB /* ResourceLoadStatisticsPersistentStorage.cpp */,
> 				7AFBD36821E542E8005DBACB /* ResourceLoadStatisticsPersistentStorage.h */,
>+				7A41E9FA21F81DAC00B88CDB /* ShouldGrandfatherStatistics.h */,
>+				7A3FECA121F7C09700F267CD /* StorageAccessStatus.h */,
> 				7A843A1A21E41FB200DEF663 /* WebResourceLoadStatisticsStore.cpp */,
> 				7AFBD36221E50F39005DBACB /* WebResourceLoadStatisticsStore.h */,
> 				7AFBD36C21E54544005DBACB /* WebResourceLoadStatisticsTelemetry.cpp */,
>@@ -9299,11 +9305,13 @@
> 				8313F7EE1F7DAE0800B944EB /* SharedStringHashTable.h in Headers */,
> 				83F9644E1FA0F76E00C47750 /* SharedStringHashTableReadOnly.h in Headers */,
> 				1D67B339212E1F6100FAA786 /* ShareSheetCallbackID.h in Headers */,
>+				7A41E9FB21F81DAD00B88CDB /* ShouldGrandfatherStatistics.h in Headers */,
> 				995226D6207D184600F78420 /* SimulatedInputDispatcher.h in Headers */,
> 				2DAF06D618BD1A470081CEB1 /* SmartMagnificationController.h in Headers */,
> 				2DE6943E18BD2A68005C15E5 /* SmartMagnificationControllerMessages.h in Headers */,
> 				5272B28B1406985D0096A5D0 /* StatisticsData.h in Headers */,
> 				514BDED316C98EDD00E4E25E /* StatisticsRequest.h in Headers */,
>+				7A3FECA221F7C09700F267CD /* StorageAccessStatus.h in Headers */,
> 				1AD3306F16B1D991004F60E7 /* StorageAreaImpl.h in Headers */,
> 				1ACECD2517162DB1001FC9EF /* StorageAreaMap.h in Headers */,
> 				1A334DEE16DE8F88006A8E38 /* StorageAreaMapMessages.h in Headers */,
>@@ -10699,6 +10707,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				2D92A784212B6AB100F493FD /* ActivityAssertion.cpp in Sources */,
>+				5CE43B7221F7CC020093BCC5 /* APIHTTPCookieStoreCocoa.mm in Sources */,
> 				2D92A77B212B6A7100F493FD /* ArgumentCoders.cpp in Sources */,
> 				2DEB1D2E2127473600933906 /* ArgumentCodersCF.cpp in Sources */,
> 				2D92A77C212B6A7100F493FD /* Attachment.cpp in Sources */,

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Attachments on bug 193659: 359803 | 359805 | 359816 | 359844 | 359906 | 359915 | 359916