Revert of Move speech module over to Oilpan.

Source/modules/speech/SpeechSynthesis.cpp

Index: Source/modules/speech/SpeechSynthesis.cpp
diff --git a/Source/modules/speech/SpeechSynthesis.cpp b/Source/modules/speech/SpeechSynthesis.cpp
index 5c60959595bc82f072253e395b84043edff84710..2a989a9514d29873f77f26251ed9f35517cc7e02 100644
--- a/Source/modules/speech/SpeechSynthesis.cpp
+++ b/Source/modules/speech/SpeechSynthesis.cpp
@@ -34,11 +34,9 @@
 
 namespace WebCore {
 
-DEFINE_GC_INFO(SpeechSynthesis);
-
-PassRefPtrWillBeRawPtr<SpeechSynthesis> SpeechSynthesis::create(ExecutionContext* context)
-{
-    return adoptRefCountedWillBeRefCountedGarbageCollected(new SpeechSynthesis(context));
+PassRefPtr<SpeechSynthesis> SpeechSynthesis::create(ExecutionContext* context)
+{
+    return adoptRef(new SpeechSynthesis(context));
 }
 
 SpeechSynthesis::SpeechSynthesis(ExecutionContext* context)
@@ -67,7 +65,7 @@
         dispatchEvent(Event::create(EventTypeNames::voiceschanged));
 }
 
-const WillBeHeapVector<RefPtrWillBeMember<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
+const Vector<RefPtr<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
 {
     if (m_voiceList.size())
         return m_voiceList;
@@ -127,7 +125,7 @@
 {
     // Remove all the items from the utterance queue.
     // Hold on to the current utterance so the platform synthesizer can have a chance to clean up.
-    RefPtrWillBeMember<SpeechSynthesisUtterance> current = m_currentSpeechUtterance;
+    RefPtr<SpeechSynthesisUtterance> current = m_currentSpeechUtterance;
     m_utteranceQueue.clear();
     m_platformSpeechSynthesizer->cancel();
     current = 0;
@@ -164,7 +162,7 @@
     fireEvent(errorOccurred ? EventTypeNames::error : EventTypeNames::end, utterance, 0, String());
 
     if (m_utteranceQueue.size()) {
-        RefPtrWillBeMember<SpeechSynthesisUtterance> firstUtterance = m_utteranceQueue.first();
+        RefPtr<SpeechSynthesisUtterance> firstUtterance = m_utteranceQueue.first();
         ASSERT(firstUtterance == utterance);
         if (firstUtterance == utterance)
             m_utteranceQueue.removeFirst();
@@ -229,11 +227,4 @@
     return EventTargetNames::SpeechSynthesisUtterance;
 }
 
-void SpeechSynthesis::trace(Visitor* visitor)
-{
-    visitor->trace(m_voiceList);
-    visitor->trace(m_currentSpeechUtterance);
-    visitor->trace(m_utteranceQueue);
-}
-
 } // namespace WebCore