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

public/web/WebSpeechInputResult.h

 /*
  * 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:
  *
  * 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
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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 #ifndef WebSpeechInputResult_h
 #define WebSpeechInputResult_h
 
 #include "../platform/WebCommon.h"
-#include "../platform/WebPrivatePtr.h"
+#include "../platform/WebPrivateHeapPtr.h"
 #include "../platform/WebString.h"
 #include "../platform/WebVector.h"
 
 namespace WebCore {
 class SpeechInputResult;
 }
 
 namespace blink {
 
 // This class holds one speech recognition result including the text and other related
 // fields, as received from the embedder.
 class WebSpeechInputResult {
 public:
     WebSpeechInputResult() { }
     WebSpeechInputResult(const WebSpeechInputResult& other) { assign(other); }
     ~WebSpeechInputResult() { reset(); }
 
     WebSpeechInputResult& operator=(const WebSpeechInputResult& other)
     {
         assign(other);
         return *this;
     }
 
     BLINK_EXPORT void assign(const WebString& utterance, double confidence);
     BLINK_EXPORT void assign(const WebSpeechInputResult& other);
     BLINK_EXPORT void reset();
 
 #if BLINK_IMPLEMENTATION
-    WebSpeechInputResult(const WTF::PassRefPtr<WebCore::SpeechInputResult>&);
-    operator WTF::PassRefPtr<WebCore::SpeechInputResult>() const;
+    WebSpeechInputResult(const WTF::PassRefPtrWillBeRawPtr<WebCore::SpeechInputResult>&);
+    operator WTF::PassRefPtrWillBeRawPtr<WebCore::SpeechInputResult>() const;
 #endif
 
 private:
-    WebPrivatePtr<WebCore::SpeechInputResult> m_private;
+    WebPrivateHeapPtr<WebCore::SpeechInputResult> m_private;
 };
 
 typedef WebVector<WebSpeechInputResult> WebSpeechInputResultArray;
 
 } // namespace blink
 
 #endif // WebSpeechInputResult_h