Revert of Move speech module over to Oilpan.

Source/modules/speech/SpeechSynthesisUtterance.cpp

 /*
  * Copyright (C) 2013 Apple 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
@@ skipping 10 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "modules/speech/SpeechSynthesisUtterance.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(SpeechSynthesisUtterance);
-
-PassRefPtrWillBeRawPtr<SpeechSynthesisUtterance> SpeechSynthesisUtterance::create(ExecutionContext* context, const String& text)
+PassRefPtr<SpeechSynthesisUtterance> SpeechSynthesisUtterance::create(ExecutionContext* context, const String& text)
 {
-    return adoptRefCountedWillBeRefCountedGarbageCollected(new SpeechSynthesisUtterance(context, text));
+    return adoptRef(new SpeechSynthesisUtterance(context, text));
 }
 
 SpeechSynthesisUtterance::SpeechSynthesisUtterance(ExecutionContext* context, const String& text)
     : ContextLifecycleObserver(context)
     , m_platformUtterance(PlatformSpeechSynthesisUtterance::create(this))
 {
     ScriptWrappable::init(this);
     m_platformUtterance->setText(text);
 }
 
@@ skipping 20 matching lines @@
 void SpeechSynthesisUtterance::setVoice(SpeechSynthesisVoice* voice)
 {
     // Cache our own version of the SpeechSynthesisVoice so that we don't have to do some lookup
     // to go from the platform voice back to the speech synthesis voice in the read property.
     m_voice = voice;
 
     if (voice)
         m_platformUtterance->setVoice(voice->platformVoice());
 }
 
-void SpeechSynthesisUtterance::trace(Visitor* visitor)
-{
-    visitor->trace(m_voice);
-}
-
 } // namespace WebCore