Revert of Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechSynthesis.h

Index: Source/modules/speech/SpeechSynthesis.h
diff --git a/Source/modules/speech/SpeechSynthesis.h b/Source/modules/speech/SpeechSynthesis.h
index ce8e049857ad3818de6111bd9aff179a2c82fb54..eba89fb2549869aa6ffdd786bd749d65af50832d 100644
--- a/Source/modules/speech/SpeechSynthesis.h
+++ b/Source/modules/speech/SpeechSynthesis.h
@@ -34,18 +34,21 @@
 #include "platform/heap/Handle.h"
 #include "platform/speech/PlatformSpeechSynthesisUtterance.h"
 #include "platform/speech/PlatformSpeechSynthesizer.h"
+#include "wtf/Deque.h"
 #include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class ExceptionState;
 class PlatformSpeechSynthesizerClient;
 
-class SpeechSynthesis FINAL : public RefCountedGarbageCollected<SpeechSynthesis>, public PlatformSpeechSynthesizerClient, public ScriptWrappable, public ContextLifecycleObserver, public EventTargetWithInlineData {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedGarbageCollected<SpeechSynthesis>);
+class SpeechSynthesis FINAL : public RefCountedWillBeRefCountedGarbageCollected<SpeechSynthesis>, public PlatformSpeechSynthesizerClient, public ScriptWrappable, public ContextLifecycleObserver, public EventTargetWithInlineData {
+    REFCOUNTED_EVENT_TARGET(SpeechSynthesis);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechSynthesis);
 public:
-    static SpeechSynthesis* create(ExecutionContext*);
+    static PassRefPtrWillBeRawPtr<SpeechSynthesis> create(ExecutionContext*);
 
     bool pending() const;
     bool speaking() const;
@@ -56,7 +59,7 @@
     void pause();
     void resume();
 
-    const HeapVector<Member<SpeechSynthesisVoice> >& getVoices();
+    const WillBeHeapVector<RefPtrWillBeMember<SpeechSynthesisVoice> >& getVoices();
 
     // Used in testing to use a mock platform synthesizer
     void setPlatformSynthesizer(PassOwnPtr<PlatformSpeechSynthesizer>);
@@ -87,8 +90,8 @@
     SpeechSynthesisUtterance* currentSpeechUtterance() const;
 
     OwnPtr<PlatformSpeechSynthesizer> m_platformSpeechSynthesizer;
-    HeapVector<Member<SpeechSynthesisVoice> > m_voiceList;
-    HeapDeque<Member<SpeechSynthesisUtterance> > m_utteranceQueue;
+    WillBeHeapVector<RefPtrWillBeMember<SpeechSynthesisVoice> > m_voiceList;
+    Deque<RefPtrWillBeMember<SpeechSynthesisUtterance> > m_utteranceQueue;
     bool m_isPaused;
 
     // EventTarget