[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 (!handler_->SendRawData(static_cast<const char*>((data->Data())),
                              data_length)) {
     // FIXME: This should not throw an exception but instead forcefully close
     // the data channel.
     ThrowCouldNotSendDataException(exception_state);
   }
 }
 
-void RTCDataChannel::send(DOMArrayBufferView* data,
+void RTCDataChannel::send(NotShared<DOMArrayBufferView> data,
                           ExceptionState& exception_state) {
-  if (!handler_->SendRawData(static_cast<const char*>(data->BaseAddress()),
-                             data->byteLength())) {
+  if (!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(exception_state);
   }
 }
 
 void RTCDataChannel::send(Blob* data, ExceptionState& exception_state) {
   // FIXME: implement
   ThrowNoBlobSupportException(exception_state);
 }
@@ skipping 130 matching lines @@
   events.Clear();
 }
 
 DEFINE_TRACE(RTCDataChannel) {
   visitor->Trace(scheduled_events_);
   EventTargetWithInlineData::Trace(visitor);
   SuspendableObject::Trace(visitor);
 }
 
 }  // namespace blink