WebMessaging: Send transferable ArrayBuffers by copy-and-neuter semantics

third_party/WebKit/Source/core/dom/MessagePort.h

 /*
  * Copyright (C) 2008 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
@@ skipping 49 matching lines @@
   USING_GARBAGE_COLLECTED_MIXIN(MessagePort);
 
  public:
   static MessagePort* create(ExecutionContext&);
   ~MessagePort() override;
 
   void postMessage(ExecutionContext*,
                    PassRefPtr<SerializedScriptValue> message,
                    const MessagePortArray&,
                    ExceptionState&);
+  static bool canTransferArrayBuffer() { return false; }
 
   void start();
   void close();
 
   void entangle(WebMessagePortChannelUniquePtr);
   WebMessagePortChannelUniquePtr disentangle();
 
   // Returns nullptr if the passed-in array is nullptr/empty.
   static std::unique_ptr<WebMessagePortChannelArray>
       toWebMessagePortChannelArray(std::unique_ptr<MessagePortChannelArray>);
@@ skipping 64 matching lines @@
 
   bool m_started;
   bool m_closed;
 
   RefPtr<ScriptState> m_scriptStateForConversion;
 };
 
 }  // namespace blink
 
 #endif  // MessagePort_h