Enable Oilpan by default in modules/speech/

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 9ff4ae7bb65d32ec5e94459084e5c16a25bf0309..61800b42f1a993c431869ca8a057bcfe0c89a177 100644
--- a/Source/modules/speech/SpeechSynthesis.cpp
+++ b/Source/modules/speech/SpeechSynthesis.cpp
@@ -34,9 +34,9 @@
 
 namespace WebCore {
 
-PassRefPtrWillBeRawPtr<SpeechSynthesis> SpeechSynthesis::create(ExecutionContext* context)
+SpeechSynthesis* SpeechSynthesis::create(ExecutionContext* context)
 {
-    return adoptRefWillBeNoop(new SpeechSynthesis(context));
+    return adoptRefCountedGarbageCollectedWillBeNoop(new SpeechSynthesis(context));
 }
 
 SpeechSynthesis::SpeechSynthesis(ExecutionContext* context)
@@ -64,7 +64,7 @@ void SpeechSynthesis::voicesDidChange()
         dispatchEvent(Event::create(EventTypeNames::voiceschanged));
 }
 
-const WillBeHeapVector<RefPtrWillBeMember<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
+const HeapVector<Member<SpeechSynthesisVoice> >& SpeechSynthesis::getVoices()
 {
     if (m_voiceList.size())
         return m_voiceList;
@@ -153,10 +153,6 @@ void SpeechSynthesis::handleSpeakingCompleted(SpeechSynthesisUtterance* utteranc
 {
     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.