Move PlatformSpeechSynthesisVoice off the heap.

third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h

Index: third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h
diff --git a/third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h b/third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h
index 3e071ee33836bd5fc2f4db5c32d63f8927b8ca39..c39a2f6c9246e9dcfaa609490a172206082ce36c 100644
--- a/third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h
+++ b/third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.h
@@ -29,14 +29,16 @@
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "platform/speech/PlatformSpeechSynthesisVoice.h"
+#include "wtf/Forward.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class SpeechSynthesisVoice final : public GarbageCollected<SpeechSynthesisVoice>, public ScriptWrappable {
+class SpeechSynthesisVoice final : public GarbageCollectedFinalized<SpeechSynthesisVoice>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static SpeechSynthesisVoice* create(PlatformSpeechSynthesisVoice*);
+    static SpeechSynthesisVoice* create(PassRefPtr<PlatformSpeechSynthesisVoice>);
+    ~SpeechSynthesisVoice();
 
     const String& voiceURI() const { return m_platformVoice->voiceURI(); }
     const String& name() const { return m_platformVoice->name(); }
@@ -44,14 +46,14 @@ public:
     bool localService() const { return m_platformVoice->localService(); }
     bool isDefault() const { return m_platformVoice->isDefault(); }
 
-    PlatformSpeechSynthesisVoice* platformVoice() const { return m_platformVoice; }
+    PlatformSpeechSynthesisVoice* platformVoice() const { return m_platformVoice.get(); }
 
-    DECLARE_TRACE();
+    DEFINE_INLINE_TRACE() { }
 
 private:
-    explicit SpeechSynthesisVoice(PlatformSpeechSynthesisVoice*);
+    explicit SpeechSynthesisVoice(PassRefPtr<PlatformSpeechSynthesisVoice>);
 
-    Member<PlatformSpeechSynthesisVoice> m_platformVoice;
+    RefPtr<PlatformSpeechSynthesisVoice> m_platformVoice;
 };
 
 } // namespace blink