Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechSynthesisEvent.h

Index: Source/modules/speech/SpeechSynthesisEvent.h
diff --git a/Source/modules/speech/SpeechSynthesisEvent.h b/Source/modules/speech/SpeechSynthesisEvent.h
index a85b670db734b002391538cfa0c4a7d7b2173fb4..9dfabb24e0f800f147375a6a502211a3ccbbaa8d 100644
--- a/Source/modules/speech/SpeechSynthesisEvent.h
+++ b/Source/modules/speech/SpeechSynthesisEvent.h
@@ -27,14 +27,13 @@
 #define SpeechSynthesisEvent_h
 
 #include "modules/EventModules.h"
-#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class SpeechSynthesisEvent FINAL : public Event {
 public:
-    static PassRefPtrWillBeRawPtr<SpeechSynthesisEvent> create();
-    static PassRefPtrWillBeRawPtr<SpeechSynthesisEvent> create(const AtomicString& type, unsigned long charIndex, float elapsedTime, const String& name);
+    static SpeechSynthesisEvent* create();
+    static SpeechSynthesisEvent* create(const AtomicString& type, unsigned long charIndex, float elapsedTime, const String& name);
 
     unsigned long charIndex() const { return m_charIndex; }
     float elapsedTime() const { return m_elapsedTime; }
@@ -42,7 +41,10 @@ public:
 
     virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::SpeechSynthesisEvent; }
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor* visitor) OVERRIDE
+    {
+        Event::trace(visitor);
+    }
 
 private:
     SpeechSynthesisEvent();