Revert of Move DOMArrayBuffer, DOMArrayBufferViews and DataView to the heap.

third_party/WebKit/Source/core/events/MessageEvent.h

Index: third_party/WebKit/Source/core/events/MessageEvent.h
diff --git a/third_party/WebKit/Source/core/events/MessageEvent.h b/third_party/WebKit/Source/core/events/MessageEvent.h
index 1f961bec488afe92409f4f4dc42c18bb999d8de7..673dc97ea939ecc7a7662750c4d78c53de933fc5 100644
--- a/third_party/WebKit/Source/core/events/MessageEvent.h
+++ b/third_party/WebKit/Source/core/events/MessageEvent.h
@@ -67,7 +67,7 @@
     {
         return new MessageEvent(data, origin, suborigin);
     }
-    static MessageEvent* create(DOMArrayBuffer* data, const String& origin = String(), const String& suborigin = String())
+    static MessageEvent* create(PassRefPtr<DOMArrayBuffer> data, const String& origin = String(), const String& suborigin = String())
     {
         return new MessageEvent(data, origin, suborigin);
     }
@@ -122,14 +122,14 @@
 
     MessageEvent(const String& data, const String& origin, const String& suborigin);
     MessageEvent(Blob* data, const String& origin, const String& suborigin);
-    MessageEvent(DOMArrayBuffer* data, const String& origin, const String& suborigin);
+    MessageEvent(PassRefPtr<DOMArrayBuffer> data, const String& origin, const String& suborigin);
 
     DataType m_dataType;
     ScriptValue m_dataAsScriptValue;
     RefPtr<SerializedScriptValue> m_dataAsSerializedScriptValue;
     String m_dataAsString;
     Member<Blob> m_dataAsBlob;
-    Member<DOMArrayBuffer> m_dataAsArrayBuffer;
+    RefPtr<DOMArrayBuffer> m_dataAsArrayBuffer;
     String m_origin;
     String m_lastEventId;
     Member<EventTarget> m_source;