Revert of Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechSynthesis.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 16 matching lines @@
 #include "modules/speech/SpeechSynthesis.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/speech/SpeechSynthesisEvent.h"
 #include "platform/speech/PlatformSpeechSynthesisVoice.h"
 #include "wtf/CurrentTime.h"
 
 namespace WebCore {
 
-SpeechSynthesis* SpeechSynthesis::create(ExecutionContext* context)
+PassRefPtrWillBeRawPtr<SpeechSynthesis> SpeechSynthesis::create(ExecutionContext* context)
 {
-    return adoptRefCountedGarbageCollected(new SpeechSynthesis(context));
+    return adoptRefWillBeRefCountedGarbageCollected(new SpeechSynthesis(context));
 }
 
 SpeechSynthesis::SpeechSynthesis(ExecutionContext* context)
     : ContextLifecycleObserver(context)
     , m_platformSpeechSynthesizer(PlatformSpeechSynthesizer::create(this))
     , m_isPaused(false)
 {
     ScriptWrappable::init(this);
 }
 
 void SpeechSynthesis::setPlatformSynthesizer(PassOwnPtr<PlatformSpeechSynthesizer> synthesizer)
 {
     m_platformSpeechSynthesizer = synthesizer;
 }
 
 ExecutionContext* SpeechSynthesis::executionContext() const
 {
     return ContextLifecycleObserver::executionContext();
 }
 
 void SpeechSynthesis::voicesDidChange()
 {
     m_voiceList.clear();
     if (!executionContext()->activeDOMObjectsAreStopped())
         dispatchEvent(Event::create(EventTypeNames::voiceschanged));
 }
 
-const HeapVector<Member<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
+const WillBeHeapVector<RefPtrWillBeMember<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
 {
     if (m_voiceList.size())
         return m_voiceList;
 
     // If the voiceList is empty, that's the cue to get the voices from the platform again.
     const Vector<RefPtr<PlatformSpeechSynthesisVoice> >& platformVoices = m_platformSpeechSynthesizer->voiceList();
     size_t voiceCount = platformVoices.size();
     for (size_t k = 0; k < voiceCount; k++)
         m_voiceList.append(SpeechSynthesisVoice::create(platformVoices[k]));
 
@@ skipping 68 matching lines @@
 void SpeechSynthesis::fireEvent(const AtomicString& type, SpeechSynthesisUtterance* utterance, unsigned long charIndex, const String& name)
 {
     if (!executionContext()->activeDOMObjectsAreStopped())
         utterance->dispatchEvent(SpeechSynthesisEvent::create(type, charIndex, (currentTime() - utterance->startTime()), name));
 }
 
 void SpeechSynthesis::handleSpeakingCompleted(SpeechSynthesisUtterance* utterance, bool errorOccurred)
 {
     ASSERT(utterance);
 
+    // Keep the utterance around long enough to fire an event on it in case m_utteranceQueue
+    // is holding the last reference to it.
+    RefPtrWillBeRawPtr<SpeechSynthesisUtterance> protect(utterance);
+
     bool didJustFinishCurrentUtterance = false;
     // If the utterance that completed was the one we're currently speaking,
     // remove it from the queue and start speaking the next one.
     if (utterance == currentSpeechUtterance()) {
         m_utteranceQueue.removeFirst();
         didJustFinishCurrentUtterance = true;
     }
 
     // Always fire the event, because the platform may have asynchronously
     // sent an event on an utterance before it got the message that we
@@ skipping 68 matching lines @@
 }
 
 void SpeechSynthesis::trace(Visitor* visitor)
 {
     visitor->trace(m_voiceList);
     visitor->trace(m_utteranceQueue);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore