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

third_party/WebKit/Source/web/WebArrayBuffer.cpp

 /*
  * Copyright (C) 2011 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "public/web/WebArrayBuffer.h"
 
 #include "core/dom/DOMArrayBuffer.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 WebArrayBuffer WebArrayBuffer::create(unsigned numElements, unsigned elementByteSize)
 {
     return WebArrayBuffer(DOMArrayBuffer::create(numElements, elementByteSize));
 }
 
 void WebArrayBuffer::reset()
 {
@@ skipping 12 matching lines @@
     return 0;
 }
 
 unsigned WebArrayBuffer::byteLength() const
 {
     if (!isNull())
         return m_private->byteLength();
     return 0;
 }
 
-WebArrayBuffer::WebArrayBuffer(DOMArrayBuffer* buffer)
+WebArrayBuffer::WebArrayBuffer(const PassRefPtr<DOMArrayBuffer>& buffer)
     : m_private(buffer)
 {
 }
 
-WebArrayBuffer& WebArrayBuffer::operator=(DOMArrayBuffer* buffer)
+WebArrayBuffer& WebArrayBuffer::operator=(const PassRefPtr<DOMArrayBuffer>& buffer)
 {
     m_private = buffer;
     return *this;
 }
 
-WebArrayBuffer::operator DOMArrayBuffer*() const
+WebArrayBuffer::operator PassRefPtr<DOMArrayBuffer>() const
 {
     return m_private.get();
 }
 
 } // namespace blink