[WIP]Add WebPrivateHeapPtr and use it for speech platform layer.

Source/web/SpeechInputClientImpl.cpp

 /*
  * Copyright (C) 2010 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 80 matching lines @@
 {
     ASSERT(m_listener);
     m_listener->didCompleteRecognition(requestId);
 }
 
 void SpeechInputClientImpl::setRecognitionResult(int requestId, const WebSpeechInputResultArray& results)
 {
     ASSERT(m_listener);
     WebCore::SpeechInputResultArray webcoreResults(results.size());
     for (size_t i = 0; i < results.size(); ++i)
-        webcoreResults[i] = results[i];
+        webcoreResults[i] = static_cast<WTF::PassRefPtrWillBeRawPtr<WebCore::SpeechInputResult> >(results[i]);

[haraken, 2014/02/17 09:04:57]

This cast looks weird. Can we remove this somehow? (I haven't yet looked at why
the cast is needed.)

     m_listener->setRecognitionResult(requestId, webcoreResults);
 }
 
 } // namespace blink
 
 #endif // ENABLE(INPUT_SPEECH)