[bindings] Introduce PostMessage extended keyword

Source/bindings/tests/results/core/V8TestObject.cpp

Index: Source/bindings/tests/results/core/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/core/V8TestObject.cpp b/Source/bindings/tests/results/core/V8TestObject.cpp
index fd06913ab45ef6fc4911015513b82661a80c1931..b5c65c73312f2c46c5b44fe901c024e6e9c48ef1 100644
--- a/Source/bindings/tests/results/core/V8TestObject.cpp
+++ b/Source/bindings/tests/results/core/V8TestObject.cpp
@@ -10,6 +10,7 @@
 #include "bindings/core/v8/BindingSecurity.h"
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/PostMessage.h"
 #include "bindings/core/v8/PrivateScriptRunner.h"
 #include "bindings/core/v8/ScriptCallStackFactory.h"
 #include "bindings/core/v8/ScriptPromise.h"
@@ -36,6 +37,7 @@
 #include "bindings/core/v8/V8HiddenValue.h"
 #include "bindings/core/v8/V8Int32Array.h"
 #include "bindings/core/v8/V8Iterator.h"
+#include "bindings/core/v8/V8MessagePort.h"
 #include "bindings/core/v8/V8Node.h"
 #include "bindings/core/v8/V8NodeFilter.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
@@ -10862,6 +10864,13 @@ static void perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodCallbackForMain
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void postMessageMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    postMessageMethodCommon("TestObject", V8TestObject::toImpl(info.Holder()), info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void activityLoggingForAllWorldsPerWorldBindingsVoidMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toImpl(info.Holder());
@@ -12761,6 +12770,7 @@ static const V8DOMConfiguration::MethodConfiguration V8TestObjectMethods[] = {
     {"deprecateAsSameValueMeasureAsSameValueOverloadedMethod", TestObjectV8Internal::deprecateAsSameValueMeasureAsSameValueOverloadedMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"perWorldBindingsVoidMethod", TestObjectV8Internal::perWorldBindingsVoidMethodMethodCallback, TestObjectV8Internal::perWorldBindingsVoidMethodMethodCallbackForMainWorld, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"perWorldBindingsVoidMethodTestInterfaceEmptyArg", TestObjectV8Internal::perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodCallback, TestObjectV8Internal::perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodCallbackForMainWorld, 1, V8DOMConfiguration::ExposedToAllScripts},
+    {"postMessage", TestObjectV8Internal::postMessageMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"activityLoggingForAllWorldsPerWorldBindingsVoidMethod", TestObjectV8Internal::activityLoggingForAllWorldsPerWorldBindingsVoidMethodMethodCallback, TestObjectV8Internal::activityLoggingForAllWorldsPerWorldBindingsVoidMethodMethodCallbackForMainWorld, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"activityLoggingForIsolatedWorldsPerWorldBindingsVoidMethod", TestObjectV8Internal::activityLoggingForIsolatedWorldsPerWorldBindingsVoidMethodMethodCallback, TestObjectV8Internal::activityLoggingForIsolatedWorldsPerWorldBindingsVoidMethodMethodCallbackForMainWorld, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"raisesExceptionVoidMethod", TestObjectV8Internal::raisesExceptionVoidMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},