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

Source/core/speech/SpeechInputResult.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:
  *  * 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 copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SpeechInputResult_h
 #define SpeechInputResult_h
 
 #if ENABLE(INPUT_SPEECH)
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 // This class holds one speech recognition result including the text and other related
 // fields, as received from the embedder.
-class SpeechInputResult : public RefCounted<SpeechInputResult>, public ScriptWrappable {
+class SpeechInputResult : public RefCountedWillBeGarbageCollectedFinalized<SpeechInputResult>, public ScriptWrappable {
+    DECLARE_GC_INFO;
 public:
-    static PassRefPtr<SpeechInputResult> create(const SpeechInputResult& source);
-    static PassRefPtr<SpeechInputResult> create(const String& utterance, double confidence);
+    static PassRefPtrWillBeRawPtr<SpeechInputResult> create(const SpeechInputResult& source);
+    static PassRefPtrWillBeRawPtr<SpeechInputResult> create(const String& utterance, double confidence);
 
     double confidence() const;
     const String& utterance() const;
 
+    void trace(Visitor *) { }
+
 private:
     SpeechInputResult(const String& utterance, double confidence);
 
     String m_utterance;
     double m_confidence;
 };
 
-typedef Vector<RefPtr<SpeechInputResult> > SpeechInputResultArray;
+typedef WillBeHeapVector<RefPtrWillBeMember<SpeechInputResult> > SpeechInputResultArray;
 
 } // namespace WebCore
 
 #endif // ENABLE(INPUT_SPEECH)
 
 #endif // SpeechInputResult_h