Remove V8Utilities

Source/bindings/v8/custom/V8WindowCustom.cpp

Index: Source/bindings/v8/custom/V8WindowCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WindowCustom.cpp b/Source/bindings/v8/custom/V8WindowCustom.cpp
index d15b2dc512ca0754c553b85a0172ef201b1beb83..3ee44d9a65b6af78dff2f848a89e626e695758c0 100644
--- a/Source/bindings/v8/custom/V8WindowCustom.cpp
+++ b/Source/bindings/v8/custom/V8WindowCustom.cpp
@@ -44,7 +44,6 @@
 #include "bindings/v8/V8EventListener.h"
 #include "bindings/v8/V8EventListenerList.h"
 #include "bindings/v8/V8GCForContextDispose.h"
-#include "bindings/v8/V8Utilities.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessagePort.h"
 #include "core/html/HTMLCollection.h"
@@ -273,7 +272,7 @@ void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
             targetOriginArgIndex = 2;
             transferablesArgIndex = 1;
         }
-        if (!extractTransferables(info[transferablesArgIndex], transferablesArgIndex, portArray, arrayBufferArray, exceptionState, info.GetIsolate())) {
+        if (!SerializedScriptValue::extractTransferables(info[transferablesArgIndex], transferablesArgIndex, portArray, arrayBufferArray, exceptionState, info.GetIsolate())) {
             exceptionState.throwIfNeeded();
             return;
         }