Oilpan: move platform speech objects to the heap.

Source/platform/speech/PlatformSpeechSynthesisUtterance.h

 /*
  * Copyright (C) 2013 Apple Computer, 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 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.
  */
 
 #ifndef PlatformSpeechSynthesisUtterance_h
 #define PlatformSpeechSynthesisUtterance_h
 
 #include "platform/PlatformExport.h"
+#include "platform/heap/Handle.h"
 #include "platform/speech/PlatformSpeechSynthesisVoice.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class PlatformSpeechSynthesisUtteranceClient {
+class PlatformSpeechSynthesisUtteranceClient : public GarbageCollectedMixin {
 public:
     // Implement methods as needed.
 protected:
     virtual ~PlatformSpeechSynthesisUtteranceClient() { }
 };
 
-class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance : public RefCounted<PlatformSpeechSynthesisUtterance> {
+class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance FINAL : public GarbageCollectedFinalized<PlatformSpeechSynthesisUtterance> {
 public:
-    static PassRefPtr<PlatformSpeechSynthesisUtterance> create(PlatformSpeechSynthesisUtteranceClient*);
+    static PlatformSpeechSynthesisUtterance* create(PlatformSpeechSynthesisUtteranceClient*);
 
     const String& text() const { return m_text; }
     void setText(const String& text) { m_text = text; }
 
     const String& lang() const { return m_lang; }
     void setLang(const String& lang) { m_lang = lang; }
 
-    PlatformSpeechSynthesisVoice* voice() const { return m_voice.get(); }
+    PlatformSpeechSynthesisVoice* voice() const { return m_voice; }
     void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; }
 
     // Range = [0, 1] where 1 is the default.
     float volume() const { return m_volume; }
     void setVolume(float volume) { m_volume = std::max(std::min(1.0f, volume), 0.0f); }
 
     // Range = [0.1, 10] where 1 is the default.
     float rate() const { return m_rate; }
     void setRate(float rate) { m_rate = std::max(std::min(10.0f, rate), 0.1f); }
 
     // Range = [0, 2] where 1 is the default.
     float pitch() const { return m_pitch; }
     void setPitch(float pitch) { m_pitch = std::max(std::min(2.0f, pitch), 0.0f); }
 
     double startTime() const { return m_startTime; }
     void setStartTime(double startTime) { m_startTime = startTime; }
 
     PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; }
-    void setClient(PlatformSpeechSynthesisUtteranceClient* client) { m_client = client; }
+
+    void trace(Visitor*);
 
 private:
     explicit PlatformSpeechSynthesisUtterance(PlatformSpeechSynthesisUtteranceClient*);
 
-    PlatformSpeechSynthesisUtteranceClient* m_client;
+    Member<PlatformSpeechSynthesisUtteranceClient> m_client;
     String m_text;
     String m_lang;
-    RefPtr<PlatformSpeechSynthesisVoice> m_voice;
+    Member<PlatformSpeechSynthesisVoice> m_voice;
     float m_volume;
     float m_rate;
     float m_pitch;
     double m_startTime;
 };
 
 } // namespace WebCore
 
 #endif // PlatformSpeechSynthesisUtterance_h