Attachment 348479 Details for Bug 189100 – Patch

[patch] Patch

bug-189100-20180829205614.patch (text/plain), 39.91 KB, created by Andy Estes on 2018-08-29 20:56:15 PDT

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Creator: Andy Estes

Created: 2018-08-29 20:56:15 PDT

Size: 39.91 KB

patch

obsolete

>Subversion Revision: 235483
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 5e2fe74e58e385c863fa837270a56384a1640804..e97fe64179522e103b1ac6c9cbeaf9101810bf0c 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,37 @@
>+2018-08-29  Andy Estes  <aestes@apple.com>
>+
>+        [Payment Request] Implement the PaymentMethodChangeEvent and PaymentMethodChangeEventInit interfaces
>+        https://bugs.webkit.org/show_bug.cgi?id=189100
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Implement the PaymentMethodChangeEvent and PaymentMethodChangeEventInit interfaces defined
>+        by <https://w3c.github.io/payment-request/#paymentmethodchangeevent-interface>.
>+
>+        The "payment method changed" algorithm will be implemented in a follow-up.
>+
>+        Covered by existing web platform tests.
>+
>+        * CMakeLists.txt:
>+        * DerivedSources.make:
>+        * Modules/paymentrequest/PaymentMethodChangeEvent.cpp: Added.
>+        (WebCore::PaymentMethodChangeEvent::eventInterface const):
>+        (WebCore::PaymentMethodChangeEvent::PaymentMethodChangeEvent):
>+        * Modules/paymentrequest/PaymentMethodChangeEvent.h: Added.
>+        * Modules/paymentrequest/PaymentMethodChangeEvent.idl: Added.
>+        * Modules/paymentrequest/PaymentMethodChangeEventInit.h: Added.
>+        * Modules/paymentrequest/PaymentMethodChangeEventInit.idl: Added.
>+        * Modules/paymentrequest/PaymentRequest.idl:
>+        * Modules/paymentrequest/PaymentRequestUpdateEvent.cpp:
>+        (WebCore::PaymentRequestUpdateEvent::PaymentRequestUpdateEvent):
>+        * Modules/paymentrequest/PaymentRequestUpdateEvent.h:
>+        * Modules/paymentrequest/PaymentRequestUpdateEventInit.h:
>+        * Sources.txt:
>+        * WebCore.xcodeproj/project.pbxproj:
>+        * bindings/js/WebCoreBuiltinNames.h:
>+        * dom/EventNames.h:
>+        * dom/EventNames.in:
>+
> 2018-08-29  Ryosuke Niwa  <rniwa@webkit.org>
> 
>         Modernize SlotAssignment
>diff --git a/Source/WebCore/CMakeLists.txt b/Source/WebCore/CMakeLists.txt
>index a9c4a5f4347046cdacebbf8a1cb381a3f514856d..55f99ff8c6b649ae687ff1a21770fd2a2a850f13 100644
>--- a/Source/WebCore/CMakeLists.txt
>+++ b/Source/WebCore/CMakeLists.txt
>@@ -344,6 +344,8 @@ set(WebCore_NON_SVG_IDL_FILES
>     Modules/paymentrequest/PaymentDetailsModifier.idl
>     Modules/paymentrequest/PaymentDetailsUpdate.idl
>     Modules/paymentrequest/PaymentItem.idl
>+    Modules/paymentrequest/PaymentMethodChangeEvent.idl
>+    Modules/paymentrequest/PaymentMethodChangeEventInit.idl
>     Modules/paymentrequest/PaymentMethodData.idl
>     Modules/paymentrequest/PaymentOptions.idl
>     Modules/paymentrequest/PaymentRequest.idl
>diff --git a/Source/WebCore/DerivedSources.make b/Source/WebCore/DerivedSources.make
>index 6c9b2ce6b61c0059d69e7a99460aa70aec8c0a4d..2b5e0f9659ae29613da53f432f9b9d546cc7a34e 100644
>--- a/Source/WebCore/DerivedSources.make
>+++ b/Source/WebCore/DerivedSources.make
>@@ -264,6 +264,8 @@ JS_BINDING_IDLS = \
>     $(WebCore)/Modules/paymentrequest/PaymentDetailsModifier.idl \
>     $(WebCore)/Modules/paymentrequest/PaymentDetailsUpdate.idl \
>     $(WebCore)/Modules/paymentrequest/PaymentItem.idl \
>+	$(WebCore)/Modules/paymentrequest/PaymentMethodChangeEvent.idl \
>+	$(WebCore)/Modules/paymentrequest/PaymentMethodChangeEventInit.idl \
>     $(WebCore)/Modules/paymentrequest/PaymentMethodData.idl \
>     $(WebCore)/Modules/paymentrequest/PaymentOptions.idl \
>     $(WebCore)/Modules/paymentrequest/PaymentRequest.idl \
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.cpp b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..60082b9c1e6e9197cf46c5ad6dbf93281f0b090c
>--- /dev/null
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.cpp
>@@ -0,0 +1,49 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include "config.h"
>+#include "PaymentMethodChangeEvent.h"
>+
>+#if ENABLE(PAYMENT_REQUEST)
>+
>+#include "PaymentMethodChangeEventInit.h"
>+
>+namespace WebCore {
>+
>+EventInterface PaymentMethodChangeEvent::eventInterface() const
>+{
>+    return PaymentMethodChangeEventInterfaceType;
>+}
>+
>+PaymentMethodChangeEvent::PaymentMethodChangeEvent(const AtomicString& type, const PaymentMethodChangeEventInit& eventInit)
>+    : PaymentRequestUpdateEvent { type, eventInit }
>+    , m_methodName { eventInit.methodName }
>+    , m_methodDetails { eventInit.methodDetails }
>+{
>+}
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(PAYMENT_REQUEST)
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.h b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..93a0aaae36e3f00f9102079f44dbc1dabc03c00c
>--- /dev/null
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.h
>@@ -0,0 +1,65 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(PAYMENT_REQUEST)
>+
>+#include "PaymentRequestUpdateEvent.h"
>+#include <JavaScriptCore/Strong.h>
>+#include <wtf/text/WTFString.h>
>+
>+namespace JSC {
>+class JSObject;
>+}
>+
>+namespace WebCore {
>+    
>+struct PaymentMethodChangeEventInit;
>+
>+class PaymentMethodChangeEvent final : public PaymentRequestUpdateEvent {
>+public:
>+    template <typename... Args> static Ref<PaymentMethodChangeEvent> create(Args&&... args)
>+    {
>+        return adoptRef(*new PaymentMethodChangeEvent(std::forward<Args>(args)...));
>+    }
>+    ~PaymentMethodChangeEvent() = default;
>+
>+    const String& methodName() const { return m_methodName; }
>+    const JSC::Strong<JSC::JSObject>& methodDetails() const { return m_methodDetails; }
>+
>+    // Event
>+    EventInterface eventInterface() const override;
>+
>+private:
>+    PaymentMethodChangeEvent(const AtomicString& type, const PaymentMethodChangeEventInit&);
>+
>+    String m_methodName;
>+    JSC::Strong<JSC::JSObject> m_methodDetails;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(PAYMENT_REQUEST)
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.idl b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..9ceaa3b64e986239e966b3a3a5fba1514aeff7b2
>--- /dev/null
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEvent.idl
>@@ -0,0 +1,35 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+[
>+    Conditional=PAYMENT_REQUEST,
>+    Constructor(DOMString type, optional PaymentMethodChangeEventInit eventInitDict),
>+    EnabledBySetting=PaymentRequest,
>+    Exposed=Window,
>+    SecureContext
>+] interface PaymentMethodChangeEvent : PaymentRequestUpdateEvent {
>+    readonly attribute DOMString methodName;
>+    readonly attribute object? methodDetails;
>+};
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.h b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..c02f32894efc8563d37db6e1fb02d698897c3859
>--- /dev/null
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.h
>@@ -0,0 +1,46 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(PAYMENT_REQUEST)
>+
>+#include "PaymentRequestUpdateEventInit.h"
>+#include <JavaScriptCore/Strong.h>
>+
>+namespace JSC {
>+class JSObject;
>+}
>+
>+namespace WebCore {
>+
>+struct PaymentMethodChangeEventInit final : public PaymentRequestUpdateEventInit {
>+    String methodName;
>+    JSC::Strong<JSC::JSObject> methodDetails;
>+};
>+
>+} // namespace WebCore
>+
>+#endif // ENABLE(PAYMENT_REQUEST)
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.idl b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..ca46d32908f9fa2c429838a855d5c6596441b3b6
>--- /dev/null
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentMethodChangeEventInit.idl
>@@ -0,0 +1,31 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+[
>+    Conditional=PAYMENT_REQUEST
>+] dictionary PaymentMethodChangeEventInit : PaymentRequestUpdateEventInit {
>+    DOMString methodName = "";
>+    object? methodDetails;
>+};
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentRequest.idl b/Source/WebCore/Modules/paymentrequest/PaymentRequest.idl
>index b8b3184d676e1f16144a874298ef138fa52a1454..f99226759da8d253d8917d5c5d21904e9048c99d 100644
>--- a/Source/WebCore/Modules/paymentrequest/PaymentRequest.idl
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentRequest.idl
>@@ -43,5 +43,6 @@
> 
>     attribute EventHandler onshippingaddresschange;
>     attribute EventHandler onshippingoptionchange;
>+    attribute EventHandler onpaymentmethodchange;
>     attribute EventHandler onmerchantvalidation;
> };
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.cpp b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.cpp
>index c205335eaa8e918a6d38ae4f2ffc81aed45a9a0f..13ad16316205e4451298d5046dadea57845b04c2 100644
>--- a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.cpp
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.cpp
>@@ -32,8 +32,8 @@
> 
> namespace WebCore {
> 
>-PaymentRequestUpdateEvent::PaymentRequestUpdateEvent(const AtomicString& type, PaymentRequestUpdateEventInit&& eventInit)
>-    : Event { type, WTFMove(eventInit), IsTrusted::No }
>+PaymentRequestUpdateEvent::PaymentRequestUpdateEvent(const AtomicString& type, const PaymentRequestUpdateEventInit& eventInit)
>+    : Event { type, eventInit, IsTrusted::No }
> {
> }
> 
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.h b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.h
>index 30041a2839d358d56105288c5d22abe2012da972..04e13722391fa568b2c23a35ba2632905a962f0f 100644
>--- a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.h
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEvent.h
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ * Copyright (C) 2017-2018 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -47,13 +47,12 @@ public:
> 
> protected:
>     PaymentRequestUpdateEvent(const AtomicString& type, PaymentRequest&);
>+    PaymentRequestUpdateEvent(const AtomicString& type, const PaymentRequestUpdateEventInit&);
> 
>     // Event
>     EventInterface eventInterface() const override;
> 
> private:
>-    PaymentRequestUpdateEvent(const AtomicString& type, PaymentRequestUpdateEventInit&&);
>-
>     RefPtr<PaymentRequest> m_paymentRequest;
>     bool m_waitForUpdate { false };
> };
>diff --git a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEventInit.h b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEventInit.h
>index 6b736d340c92b2ee1287f5361abdfd36f39b7f72..b708fb437c77ad8cb1733c5c976f515f15a8f95e 100644
>--- a/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEventInit.h
>+++ b/Source/WebCore/Modules/paymentrequest/PaymentRequestUpdateEventInit.h
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ * Copyright (C) 2017-2018 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -31,7 +31,7 @@
> 
> namespace WebCore {
> 
>-struct PaymentRequestUpdateEventInit final : public EventInit {
>+struct PaymentRequestUpdateEventInit : public EventInit {
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/Sources.txt b/Source/WebCore/Sources.txt
>index aa8ccf7143bf3e6264b5140673f7454416bbb4ae..7c57c869f6255c15fa6b1c6cf7dcf92f7cf5c681 100644
>--- a/Source/WebCore/Sources.txt
>+++ b/Source/WebCore/Sources.txt
>@@ -190,6 +190,7 @@ Modules/notifications/NotificationController.cpp
> Modules/paymentrequest/MerchantValidationEvent.cpp
> Modules/paymentrequest/PaymentAddress.cpp
> Modules/paymentrequest/PaymentHandler.cpp
>+Modules/paymentrequest/PaymentMethodChangeEvent.cpp
> Modules/paymentrequest/PaymentRequest.cpp
> Modules/paymentrequest/PaymentRequestUpdateEvent.cpp
> Modules/paymentrequest/PaymentResponse.cpp
>@@ -2817,6 +2818,8 @@ JSPaymentDetailsInit.cpp
> JSPaymentDetailsModifier.cpp
> JSPaymentDetailsUpdate.cpp
> JSPaymentItem.cpp
>+JSPaymentMethodChangeEvent.cpp
>+JSPaymentMethodChangeEventInit.cpp
> JSPaymentMethodData.cpp
> JSPaymentOptions.cpp
> JSPaymentRequest.cpp
>diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>index 8c0323ce85235a2ecda3c8659b01585cb84a9a7e..000e77b5686cad7fe9691acf77e093db7f808352 100644
>--- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>@@ -2918,6 +2918,10 @@
> 		A15D751B1E68F8A300A35FBC /* JSBlobCallback.h in Headers */ = {isa = PBXBuildFile; fileRef = A15D75181E68F83600A35FBC /* JSBlobCallback.h */; };
> 		A15E31F41E0CB0B5004B371C /* QuickLook.h in Headers */ = {isa = PBXBuildFile; fileRef = A15E31F11E0CB0AA004B371C /* QuickLook.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		A15E6BF11E212A6A0080AF34 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A15E6BF01E212A6A0080AF34 /* Foundation.framework */; };
>+		A164A2472134BC7100509156 /* PaymentMethodChangeEvent.h in Headers */ = {isa = PBXBuildFile; fileRef = A164A2442134BC7100509156 /* PaymentMethodChangeEvent.h */; };
>+		A164A24E2134BDD800509156 /* PaymentMethodChangeEventInit.h in Headers */ = {isa = PBXBuildFile; fileRef = A164A24B2134BDD800509156 /* PaymentMethodChangeEventInit.h */; };
>+		A164A2552134C1CC00509156 /* JSPaymentMethodChangeEvent.h in Headers */ = {isa = PBXBuildFile; fileRef = A164A2512134C1CB00509156 /* JSPaymentMethodChangeEvent.h */; };
>+		A164A2562134C1CC00509156 /* JSPaymentMethodChangeEventInit.h in Headers */ = {isa = PBXBuildFile; fileRef = A164A2522134C1CB00509156 /* JSPaymentMethodChangeEventInit.h */; };
> 		A1763F3F1E205234001D58DE /* WebArchiveDumpSupport.h in Headers */ = {isa = PBXBuildFile; fileRef = A1763F3D1E205234001D58DE /* WebArchiveDumpSupport.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		A1763F411E20586E001D58DE /* CFNetwork.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A1763F401E20586E001D58DE /* CFNetwork.framework */; };
> 		A17C81230F2A5CF7005DAAEB /* HTMLElementFactory.h in Headers */ = {isa = PBXBuildFile; fileRef = A17C81210F2A5CF7005DAAEB /* HTMLElementFactory.h */; };
>@@ -4056,8 +4060,8 @@
> 		CDE595951BF16DF300A1CBE8 /* CDMSessionAVContentKeySession.mm in Sources */ = {isa = PBXBuildFile; fileRef = CDE595931BF166AD00A1CBE8 /* CDMSessionAVContentKeySession.mm */; };
> 		CDE595971BF26E2100A1CBE8 /* CDMSessionMediaSourceAVFObjC.h in Headers */ = {isa = PBXBuildFile; fileRef = CDE595961BF26E2100A1CBE8 /* CDMSessionMediaSourceAVFObjC.h */; };
> 		CDE5959D1BF2757100A1CBE8 /* CDMSessionMediaSourceAVFObjC.mm in Sources */ = {isa = PBXBuildFile; fileRef = CDE5959C1BF2757100A1CBE8 /* CDMSessionMediaSourceAVFObjC.mm */; };
>-		CDE667A41E4BBF1500E8154A /* WebAudioBufferList.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CDE667A21E4BBF1500E8154A /* WebAudioBufferList.cpp */; };
>-		CDE667A51E4BBF1500E8154A /* WebAudioBufferList.h in Headers */ = {isa = PBXBuildFile; fileRef = CDE667A31E4BBF1500E8154A /* WebAudioBufferList.h */; settings = {ATTRIBUTES = (Private, ); }; };
>+		CDE667A41E4BBF1500E8154A /* cocoa/WebAudioBufferList.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CDE667A21E4BBF1500E8154A /* cocoa/WebAudioBufferList.cpp */; };
>+		CDE667A51E4BBF1500E8154A /* cocoa/WebAudioBufferList.h in Headers */ = {isa = PBXBuildFile; fileRef = CDE667A31E4BBF1500E8154A /* cocoa/WebAudioBufferList.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		CDE7FC45181904B1002BBB77 /* OrderIterator.h in Headers */ = {isa = PBXBuildFile; fileRef = CDE7FC43181904B1002BBB77 /* OrderIterator.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		CDE83DB2183C44060031EAA3 /* VideoPlaybackQuality.h in Headers */ = {isa = PBXBuildFile; fileRef = CDE83DB0183C44060031EAA3 /* VideoPlaybackQuality.h */; };
> 		CDE8B5EC1A69777300B4B66A /* LegacyCDMPrivateClearKey.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CDE8B5EA1A69777300B4B66A /* LegacyCDMPrivateClearKey.cpp */; };
>@@ -7073,7 +7077,7 @@
> 		339B5B62131DAA3200F48D02 /* CookiesStrategy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CookiesStrategy.h; sourceTree = "<group>"; };
> 		3662F984047CEDBE5DDDAFAA /* RenderMathMLMenclose.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RenderMathMLMenclose.cpp; sourceTree = "<group>"; };
> 		37119A7920CCB610002C6DC9 /* WebKitTargetConditionals.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = WebKitTargetConditionals.xcconfig; sourceTree = "<group>"; };
>-		3717D7E517ECC3A6003C276D /* extract-localizable-strings.pl */ = {isa = PBXFileReference; lastKnownFileType = text.script.perl; name = extract-localizable-strings.pl; path = "Scripts/extract-localizable-strings.pl"; sourceTree = "<group>"; };
>+		3717D7E517ECC3A6003C276D /* extract-localizable-strings.pl */ = {isa = PBXFileReference; lastKnownFileType = text.script.perl; name = "extract-localizable-strings.pl"; path = "Scripts/extract-localizable-strings.pl"; sourceTree = "<group>"; };
> 		371A67CA11C6C7DB00047B8B /* HyphenationCF.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = HyphenationCF.cpp; sourceTree = "<group>"; };
> 		371E65CB13661EDC00BEEDB0 /* PageSerializer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PageSerializer.h; sourceTree = "<group>"; };
> 		371E65CD13661EED00BEEDB0 /* PageSerializer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PageSerializer.cpp; sourceTree = "<group>"; };
>@@ -10922,6 +10926,15 @@
> 		A15E31F11E0CB0AA004B371C /* QuickLook.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = QuickLook.h; sourceTree = "<group>"; };
> 		A15E31F21E0CB0AA004B371C /* QuickLook.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = QuickLook.mm; sourceTree = "<group>"; };
> 		A15E6BF01E212A6A0080AF34 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
>+		A164A2442134BC7100509156 /* PaymentMethodChangeEvent.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentMethodChangeEvent.h; sourceTree = "<group>"; };
>+		A164A2452134BC7100509156 /* PaymentMethodChangeEvent.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PaymentMethodChangeEvent.cpp; sourceTree = "<group>"; };
>+		A164A2462134BC7100509156 /* PaymentMethodChangeEvent.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = PaymentMethodChangeEvent.idl; sourceTree = "<group>"; };
>+		A164A24B2134BDD800509156 /* PaymentMethodChangeEventInit.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PaymentMethodChangeEventInit.h; sourceTree = "<group>"; };
>+		A164A24D2134BDD800509156 /* PaymentMethodChangeEventInit.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = PaymentMethodChangeEventInit.idl; sourceTree = "<group>"; };
>+		A164A2512134C1CB00509156 /* JSPaymentMethodChangeEvent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSPaymentMethodChangeEvent.h; sourceTree = "<group>"; };
>+		A164A2522134C1CB00509156 /* JSPaymentMethodChangeEventInit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSPaymentMethodChangeEventInit.h; sourceTree = "<group>"; };
>+		A164A2532134C1CB00509156 /* JSPaymentMethodChangeEvent.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSPaymentMethodChangeEvent.cpp; sourceTree = "<group>"; };
>+		A164A2542134C1CC00509156 /* JSPaymentMethodChangeEventInit.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSPaymentMethodChangeEventInit.cpp; sourceTree = "<group>"; };
> 		A1763F3C1E205234001D58DE /* WebArchiveDumpSupport.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebArchiveDumpSupport.mm; sourceTree = "<group>"; };
> 		A1763F3D1E205234001D58DE /* WebArchiveDumpSupport.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebArchiveDumpSupport.h; sourceTree = "<group>"; };
> 		A1763F401E20586E001D58DE /* CFNetwork.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CFNetwork.framework; path = System/Library/Frameworks/CFNetwork.framework; sourceTree = SDKROOT; };
>@@ -13360,8 +13373,8 @@
> 		CDE5959C1BF2757100A1CBE8 /* CDMSessionMediaSourceAVFObjC.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CDMSessionMediaSourceAVFObjC.mm; sourceTree = "<group>"; };
> 		CDE6560E17CA6E7600526BA7 /* mediaControlsApple.js */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.javascript; path = mediaControlsApple.js; sourceTree = "<group>"; };
> 		CDE667A11E4BBA4D00E8154A /* PlatformAudioData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PlatformAudioData.h; sourceTree = "<group>"; };
>-		CDE667A21E4BBF1500E8154A /* WebAudioBufferList.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = cocoa/WebAudioBufferList.cpp; sourceTree = "<group>"; };
>-		CDE667A31E4BBF1500E8154A /* WebAudioBufferList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = cocoa/WebAudioBufferList.h; sourceTree = "<group>"; };
>+		CDE667A21E4BBF1500E8154A /* cocoa/WebAudioBufferList.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = cocoa/WebAudioBufferList.cpp; sourceTree = "<group>"; };
>+		CDE667A31E4BBF1500E8154A /* cocoa/WebAudioBufferList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = cocoa/WebAudioBufferList.h; sourceTree = "<group>"; };
> 		CDE7FC42181904B1002BBB77 /* OrderIterator.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = OrderIterator.cpp; sourceTree = "<group>"; };
> 		CDE7FC43181904B1002BBB77 /* OrderIterator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OrderIterator.h; sourceTree = "<group>"; };
> 		CDE83DAF183C44060031EAA3 /* VideoPlaybackQuality.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = VideoPlaybackQuality.cpp; sourceTree = "<group>"; };
>@@ -21249,6 +21262,10 @@
> 				A1F600541F4765040077E83F /* JSPaymentDetailsUpdate.h */,
> 				A1CC56621F46146500A4555B /* JSPaymentItem.cpp */,
> 				A1CC564F1F46145200A4555B /* JSPaymentItem.h */,
>+				A164A2532134C1CB00509156 /* JSPaymentMethodChangeEvent.cpp */,
>+				A164A2512134C1CB00509156 /* JSPaymentMethodChangeEvent.h */,
>+				A164A2542134C1CC00509156 /* JSPaymentMethodChangeEventInit.cpp */,
>+				A164A2522134C1CB00509156 /* JSPaymentMethodChangeEventInit.h */,
> 				A1CC564D1F46145100A4555B /* JSPaymentMethodData.cpp */,
> 				A1CC564C1F46145000A4555B /* JSPaymentMethodData.h */,
> 				A1CC56531F46145600A4555B /* JSPaymentOptions.cpp */,
>@@ -21307,6 +21324,11 @@
> 				A1DF5AA41F7F64BB0058A477 /* PaymentHandler.h */,
> 				A1F76B2E1F44C55A0014C318 /* PaymentItem.h */,
> 				A1F76B301F44C55A0014C318 /* PaymentItem.idl */,
>+				A164A2452134BC7100509156 /* PaymentMethodChangeEvent.cpp */,
>+				A164A2442134BC7100509156 /* PaymentMethodChangeEvent.h */,
>+				A164A2462134BC7100509156 /* PaymentMethodChangeEvent.idl */,
>+				A164A24B2134BDD800509156 /* PaymentMethodChangeEventInit.h */,
>+				A164A24D2134BDD800509156 /* PaymentMethodChangeEventInit.idl */,
> 				A1F76B161F44C3900014C318 /* PaymentMethodData.h */,
> 				A1F76B181F44C3900014C318 /* PaymentMethodData.idl */,
> 				A1F76B281F44C4EF0014C318 /* PaymentOptions.h */,
>@@ -24556,10 +24578,10 @@
> 		CD669D651D232DF4004D1866 /* cocoa */ = {
> 			isa = PBXGroup;
> 			children = (
>+				CDE667A21E4BBF1500E8154A /* cocoa/WebAudioBufferList.cpp */,
>+				CDE667A31E4BBF1500E8154A /* cocoa/WebAudioBufferList.h */,
> 				CD669D661D232DFF004D1866 /* MediaSessionManagerCocoa.cpp */,
> 				CD227E362113AEFA00D285AF /* MediaSessionManagerCocoa.h */,
>-				CDE667A21E4BBF1500E8154A /* WebAudioBufferList.cpp */,
>-				CDE667A31E4BBF1500E8154A /* WebAudioBufferList.h */,
> 			);
> 			name = cocoa;
> 			sourceTree = "<group>";
>@@ -27269,6 +27291,7 @@
> 				FB92DF4B15FED08700994433 /* ClipPathOperation.h in Headers */,
> 				580371621A66F00A00BAF519 /* ClipRect.h in Headers */,
> 				97AABD1314FA09D5007457AE /* CloseEvent.h in Headers */,
>+				CDE667A51E4BBF1500E8154A /* cocoa/WebAudioBufferList.h in Headers */,
> 				C0C054CB1118C8E400CE2636 /* CodeGenerator.pm in Headers */,
> 				BC5EB5DF0E81B9AB00B25965 /* CollapsedBorderValue.h in Headers */,
> 				E425A49A18292B840020CFCF /* CollectionIndexCache.h in Headers */,
>@@ -28786,6 +28809,8 @@
> 				A1CC56711F46149300A4555B /* JSPaymentDetailsModifier.h in Headers */,
> 				A1F6005A1F4765050077E83F /* JSPaymentDetailsUpdate.h in Headers */,
> 				A1CC56731F46149800A4555B /* JSPaymentItem.h in Headers */,
>+				A164A2552134C1CC00509156 /* JSPaymentMethodChangeEvent.h in Headers */,
>+				A164A2562134C1CC00509156 /* JSPaymentMethodChangeEventInit.h in Headers */,
> 				A1CC56751F46149D00A4555B /* JSPaymentMethodData.h in Headers */,
> 				A1CC56771F4614A200A4555B /* JSPaymentOptions.h in Headers */,
> 				A1CC56791F4614A700A4555B /* JSPaymentRequest.h in Headers */,
>@@ -29567,6 +29592,8 @@
> 				A1F76B311F44C55A0014C318 /* PaymentItem.h in Headers */,
> 				1AE96A891D1A0CEB00B86768 /* PaymentMerchantSession.h in Headers */,
> 				1A8A643C1D19FC5300D0E00F /* PaymentMethod.h in Headers */,
>+				A164A2472134BC7100509156 /* PaymentMethodChangeEvent.h in Headers */,
>+				A164A24E2134BDD800509156 /* PaymentMethodChangeEventInit.h in Headers */,
> 				A1F76B191F44C3900014C318 /* PaymentMethodData.h in Headers */,
> 				A1F76B2B1F44C4EF0014C318 /* PaymentOptions.h in Headers */,
> 				A1F76B131F44C2450014C318 /* PaymentRequest.h in Headers */,
>@@ -30759,7 +30786,6 @@
> 				7132445120109DA500AE7FB2 /* WebAnimationUtilities.h in Headers */,
> 				E18536841F4E481400FE091B /* WebArchiveResourceFromNSAttributedString.h in Headers */,
> 				E18C35441F71970C00FF632D /* WebArchiveResourceWebResourceHandler.h in Headers */,
>-				CDE667A51E4BBF1500E8154A /* WebAudioBufferList.h in Headers */,
> 				41B2A6261EF1BF6D002B9D7A /* WebAudioSourceProvider.h in Headers */,
> 				07D637401BB0B11300256CE9 /* WebAudioSourceProviderAVFObjC.h in Headers */,
> 				1F36EA9C1E21BA1700621E25 /* WebBackgroundTaskController.h in Headers */,
>@@ -31358,6 +31384,7 @@
> 				CDDE02ED18B3ED6D00CF7FF1 /* CDMSessionAVFoundationObjC.mm in Sources */,
> 				CDDE02F018B5651300CF7FF1 /* CDMSessionAVStreamSession.mm in Sources */,
> 				CDE5959D1BF2757100A1CBE8 /* CDMSessionMediaSourceAVFObjC.mm in Sources */,
>+				CDE667A41E4BBF1500E8154A /* cocoa/WebAudioBufferList.cpp in Sources */,
> 				A14090FB1AA51E1D0091191A /* ContentFilterUnblockHandlerCocoa.mm in Sources */,
> 				07AFF4231EFB144900B545B3 /* CoreAudioCaptureSourceIOS.mm in Sources */,
> 				46C696CC1E7205FC00597937 /* CPUMonitor.cpp in Sources */,
>@@ -32084,7 +32111,6 @@
> 				A14832B9187F63D500DA63A6 /* WAKView.mm in Sources */,
> 				DE5F861E1FA281FD006DB63A /* WebAccessibilityObjectWrapperBase.mm in Sources */,
> 				DE5F861D1FA2815B006DB63A /* WebAccessibilityObjectWrapperMac.mm in Sources */,
>-				CDE667A41E4BBF1500E8154A /* WebAudioBufferList.cpp in Sources */,
> 				CD7E05221651C28200C1201F /* WebCoreAVFResourceLoader.mm in Sources */,
> 				CD225C0B1C46FBF400140761 /* WebCoreNSURLSession.mm in Sources */,
> 				93F19B0708245E59001E9ABC /* WebCoreView.m in Sources */,
>diff --git a/Source/WebCore/bindings/js/WebCoreBuiltinNames.h b/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
>index 99eb328d818314c40a37d69f1971baa952fc762c..d15fbddef8992f3364f5fc609911cf5f43646132 100644
>--- a/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
>+++ b/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
>@@ -108,6 +108,7 @@ namespace WebCore {
>     macro(OffscreenCanvas) \
>     macro(OffscreenCanvasRenderingContext2D) \
>     macro(PaymentAddress) \
>+    macro(PaymentMethodChangeEvent) \
>     macro(PaymentRequest) \
>     macro(PaymentRequestUpdateEvent) \
>     macro(PaymentResponse) \
>diff --git a/Source/WebCore/dom/EventNames.h b/Source/WebCore/dom/EventNames.h
>index 275b1ca2c1a1699549538ce7c6c3fbf232d83df5..f70dc749afc800d2772f11464f6eeac611b1a158 100644
>--- a/Source/WebCore/dom/EventNames.h
>+++ b/Source/WebCore/dom/EventNames.h
>@@ -190,6 +190,7 @@ namespace WebCore {
>     macro(paste) \
>     macro(pause) \
>     macro(paymentauthorized) \
>+    macro(paymentmethodchange) \
>     macro(paymentmethodselected) \
>     macro(play) \
>     macro(playing) \
>diff --git a/Source/WebCore/dom/EventNames.in b/Source/WebCore/dom/EventNames.in
>index 39a1b0e3887ebc5a6a5d107fb205bdf3ebadb573..4892dd334294dfbf9ed375f698ef92db81f5031e 100644
>--- a/Source/WebCore/dom/EventNames.in
>+++ b/Source/WebCore/dom/EventNames.in
>@@ -51,6 +51,7 @@ OfflineAudioCompletionEvent conditional=WEB_AUDIO
> MediaStreamEvent conditional=WEB_RTC
> MediaStreamTrackEvent conditional=MEDIA_STREAM
> MerchantValidationEvent conditional=PAYMENT_REQUEST
>+PaymentMethodChangeEvent conditional=PAYMENT_REQUEST
> PaymentRequestUpdateEvent conditional=PAYMENT_REQUEST
> RTCPeerConnectionIceEvent conditional=WEB_RTC
> RTCDataChannelEvent conditional=WEB_RTC
>diff --git a/LayoutTests/imported/w3c/ChangeLog b/LayoutTests/imported/w3c/ChangeLog
>index 81b65804981d6b364ca78744e976757576135dc7..0a888faded5ec9aacfc537eea45a2d9c962fa64d 100644
>--- a/LayoutTests/imported/w3c/ChangeLog
>+++ b/LayoutTests/imported/w3c/ChangeLog
>@@ -1,3 +1,14 @@
>+2018-08-29  Andy Estes  <aestes@apple.com>
>+
>+        [Payment Request] Implement the PaymentMethodChangeEvent and PaymentMethodChangeEventInit interfaces
>+        https://bugs.webkit.org/show_bug.cgi?id=189100
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * web-platform-tests/payment-request/PaymentMethodChangeEvent/methodDetails-attribute.https-expected.txt:
>+        * web-platform-tests/payment-request/PaymentMethodChangeEvent/methodName-attribute.https-expected.txt:
>+        * web-platform-tests/payment-request/onpaymentmenthodchange-attribute.https-expected.txt:
>+
> 2018-08-29  Youenn Fablet  <youenn@apple.com>
> 
>         Add a runtime flag for WebRTC unified plan
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodDetails-attribute.https-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodDetails-attribute.https-expected.txt
>index 71d1b491e69e7f10bc5013f0f9a7a94f09571233..b36a2e23b465e50c994646b846787f18add270f4 100644
>--- a/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodDetails-attribute.https-expected.txt
>+++ b/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodDetails-attribute.https-expected.txt
>@@ -1,3 +1,3 @@
> 
>-FAIL Must have a methodDetails IDL attribute, which is initialized with to the methodName dictionary value Can't find variable: PaymentMethodChangeEvent
>+PASS Must have a methodDetails IDL attribute, which is initialized with to the methodName dictionary value 
> 
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodName-attribute.https-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodName-attribute.https-expected.txt
>index 2dd6080759cee8234eff0fce559292bbd03c15cf..544eb32ef1039972519f53b4b04bf2403ad88d0d 100644
>--- a/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodName-attribute.https-expected.txt
>+++ b/LayoutTests/imported/w3c/web-platform-tests/payment-request/PaymentMethodChangeEvent/methodName-attribute.https-expected.txt
>@@ -1,3 +1,3 @@
> 
>-FAIL Must have a methodName IDL attribute, which is initialized with to the methodName dictionary value Can't find variable: PaymentMethodChangeEvent
>+PASS Must have a methodName IDL attribute, which is initialized with to the methodName dictionary value 
> 
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/payment-request/onpaymentmenthodchange-attribute.https-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/payment-request/onpaymentmenthodchange-attribute.https-expected.txt
>index f3100500337aae046fece213ccaee59a8ebdc320..a2f874e92768f182d88bd7f8257666ef7d956c9d 100644
>--- a/LayoutTests/imported/w3c/web-platform-tests/payment-request/onpaymentmenthodchange-attribute.https-expected.txt
>+++ b/LayoutTests/imported/w3c/web-platform-tests/payment-request/onpaymentmenthodchange-attribute.https-expected.txt
>@@ -1,6 +1,6 @@
> 
>-FAIL Must have a onpaymentmethodchange IDL attribute assert_idl_attribute: property "onpaymentmethodchange" not found in prototype chain
>-FAIL onpaymentmethodchange attribute is a generic handler for "paymentmethodchange" assert_true: event did not fire expected true got false
>-FAIL onpaymentmethodchange attribute is a handler for PaymentMethodChangeEvent Can't find variable: PaymentMethodChangeEvent
>-FAIL onpaymentmethodchange attribute and listeners both work Can't find variable: PaymentMethodChangeEvent
>+PASS Must have a onpaymentmethodchange IDL attribute 
>+PASS onpaymentmethodchange attribute is a generic handler for "paymentmethodchange" 
>+PASS onpaymentmethodchange attribute is a handler for PaymentMethodChangeEvent 
>+PASS onpaymentmethodchange attribute and listeners both work 
>

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Attachments on bug 189100: 348438 | 348439 | 348463 | 348479 | 348520 | 348527