Sharing of SharedArrayBuffer via PostMessage transfer

Source/bindings/core/v8/custom/V8WindowCustom.cpp

Index: Source/bindings/core/v8/custom/V8WindowCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8WindowCustom.cpp b/Source/bindings/core/v8/custom/V8WindowCustom.cpp
index 12f7827210682ecb740ff74f458ab9f17c74aabe..16c5d1e3c74bc9772c4fc966a9cda16097e9e826 100644
--- a/Source/bindings/core/v8/custom/V8WindowCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8WindowCustom.cpp
@@ -45,6 +45,7 @@
 #include "bindings/core/v8/V8HiddenValue.h"
 #include "bindings/core/v8/V8Node.h"
 #include "core/dom/DOMArrayBuffer.h"
+#include "core/dom/DOMSharedArrayBuffer.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessagePort.h"
 #include "core/frame/FrameView.h"
@@ -196,6 +197,7 @@ void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
     //   postMessage(message, {sequence of transferrables}, targetOrigin);
     OwnPtrWillBeRawPtr<MessagePortArray> portArray = adoptPtrWillBeNoop(new MessagePortArray);
     ArrayBufferArray arrayBufferArray;
+    SharedArrayBufferArray sharedArrayBufferArray;
     int targetOriginArgIndex = 1;
     if (info.Length() > 2) {
         int transferablesArgIndex = 2;
@@ -204,14 +206,14 @@ void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
             targetOriginArgIndex = 2;
             transferablesArgIndex = 1;
         }
-        if (!SerializedScriptValue::extractTransferables(info.GetIsolate(), info[transferablesArgIndex], transferablesArgIndex, *portArray, arrayBufferArray, exceptionState)) {
+        if (!SerializedScriptValue::extractTransferables(info.GetIsolate(), info[transferablesArgIndex], transferablesArgIndex, *portArray, arrayBufferArray, sharedArrayBufferArray, exceptionState)) {
             exceptionState.throwIfNeeded();
             return;
         }
     }
     TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, targetOrigin, info[targetOriginArgIndex]);
 
-    RefPtr<SerializedScriptValue> message = SerializedScriptValueFactory::instance().create(info.GetIsolate(), info[0], portArray.get(), &arrayBufferArray, exceptionState);
+    RefPtr<SerializedScriptValue> message = SerializedScriptValueFactory::instance().create(info.GetIsolate(), info[0], portArray.get(), &arrayBufferArray, &sharedArrayBufferArray, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;