[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/peerconnection/RTCDataChannel.cpp

 /*
  * Copyright (C) 2012 Google 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 209 matching lines @@
     return;
 
   if (!m_handler->sendRawData(static_cast<const char*>((data->data())),
                               dataLength)) {
     // FIXME: This should not throw an exception but instead forcefully close
     // the data channel.
     throwCouldNotSendDataException(exceptionState);
   }
 }
 
-void RTCDataChannel::send(DOMArrayBufferView* data,
+void RTCDataChannel::send(const NotShared<DOMArrayBufferView>& data,
                           ExceptionState& exceptionState) {
-  if (!m_handler->sendRawData(static_cast<const char*>(data->baseAddress()),
-                              data->byteLength())) {
+  if (!m_handler->sendRawData(
+          static_cast<const char*>(data.view()->baseAddress()),
+          data.view()->byteLength())) {
     // FIXME: This should not throw an exception but instead forcefully close
     // the data channel.
     throwCouldNotSendDataException(exceptionState);
   }
 }
 
 void RTCDataChannel::send(Blob* data, ExceptionState& exceptionState) {
   // FIXME: implement
   throwNoBlobSupportException(exceptionState);
 }
@@ skipping 130 matching lines @@
   events.clear();
 }
 
 DEFINE_TRACE(RTCDataChannel) {
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink