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

third_party/WebKit/Source/modules/mediastream/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 177 matching lines @@
     if (m_readyState != ReadyStateOpen) {
         throwNotOpenException(exceptionState);
         return;
     }
     if (!m_handler->sendStringData(data)) {
         // FIXME: This should not throw an exception but instead forcefully close the data channel.
         throwCouldNotSendDataException(exceptionState);
     }
 }
 
-void RTCDataChannel::send(DOMArrayBuffer* data, ExceptionState& exceptionState)
+void RTCDataChannel::send(PassRefPtr<DOMArrayBuffer> prpData, ExceptionState& exceptionState)
 {
     if (m_readyState != ReadyStateOpen) {
         throwNotOpenException(exceptionState);
         return;
     }
 
+    RefPtr<DOMArrayBuffer> data = prpData;
+
     size_t dataLength = data->byteLength();
     if (!dataLength)
         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, ExceptionState& exceptionState)
+void RTCDataChannel::send(PassRefPtr<DOMArrayBufferView> data, ExceptionState& exceptionState)
 {
     if (!m_handler->sendRawData(static_cast<const char*>(data->baseAddress()), data->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
@@ skipping 37 matching lines @@
     scheduleDispatchEvent(MessageEvent::create(text));
 }
 
 void RTCDataChannel::didReceiveRawData(const char* data, size_t dataLength)
 {
     if (m_binaryType == BinaryTypeBlob) {
         // FIXME: Implement.
         return;
     }
     if (m_binaryType == BinaryTypeArrayBuffer) {
-        DOMArrayBuffer* buffer = DOMArrayBuffer::create(data, dataLength);
-        scheduleDispatchEvent(MessageEvent::create(buffer));
+        RefPtr<DOMArrayBuffer> buffer = DOMArrayBuffer::create(data, dataLength);
+        scheduleDispatchEvent(MessageEvent::create(buffer.release()));
         return;
     }
     NOTREACHED();
 }
 
 void RTCDataChannel::didDetectError()
 {
     scheduleDispatchEvent(Event::create(EventTypeNames::error));
 }
 
@@ skipping 28 matching lines @@
 }
 
 DEFINE_TRACE(RTCDataChannel)
 {
     visitor->trace(m_executionContext);
     visitor->trace(m_scheduledEvents);
     RefCountedGarbageCollectedEventTargetWithInlineData<RTCDataChannel>::trace(visitor);
 }
 
 } // namespace blink