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

third_party/WebKit/Source/modules/mediasource/SourceBuffer.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 295 matching lines @@
         MediaSource::logAndThrowDOMException(exceptionState, InvalidAccessError, ExceptionMessages::indexExceedsMinimumBound("value", end, m_appendWindowStart));
         return;
     }
 
     m_webSourceBuffer->setAppendWindowEnd(end);
 
     // 5. Update the attribute to the new value.
     m_appendWindowEnd = end;
 }
 
-void SourceBuffer::appendBuffer(DOMArrayBuffer* data, ExceptionState& exceptionState)
+void SourceBuffer::appendBuffer(PassRefPtr<DOMArrayBuffer> data, ExceptionState& exceptionState)
 {
     WTF_LOG(Media, "SourceBuffer(%p)::appendBuffer size=%u", this, data->byteLength());
     // Section 3.2 appendBuffer()
     // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data
     appendBufferInternal(static_cast<const unsigned char*>(data->data()), data->byteLength(), exceptionState);
 }
 
-void SourceBuffer::appendBuffer(DOMArrayBufferView* data, ExceptionState& exceptionState)
+void SourceBuffer::appendBuffer(PassRefPtr<DOMArrayBufferView> data, ExceptionState& exceptionState)
 {
     WTF_LOG(Media, "SourceBuffer(%p)::appendBuffer size=%u", this, data->byteLength());
     // Section 3.2 appendBuffer()
     // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data
     appendBufferInternal(static_cast<const unsigned char*>(data->baseAddress()), data->byteLength(), exceptionState);
 }
 
 void SourceBuffer::appendStream(Stream* stream, ExceptionState& exceptionState)
 {
     m_streamMaxSizeValid = false;
@@ skipping 623 matching lines @@
     visitor->trace(m_removeAsyncPartRunner);
     visitor->trace(m_appendStreamAsyncPartRunner);
     visitor->trace(m_stream);
     visitor->trace(m_audioTracks);
     visitor->trace(m_videoTracks);
     RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink