Revert of Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechRecognitionAlternative.h

 /*
  * Copyright (C) 2012 Google 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:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SpeechRecognitionAlternative_h
 #define SpeechRecognitionAlternative_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
+#include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class ExecutionContext;
 
-class SpeechRecognitionAlternative : public GarbageCollectedFinalized<SpeechRecognitionAlternative>, public ScriptWrappable {
+class SpeechRecognitionAlternative : public RefCountedWillBeGarbageCollectedFinalized<SpeechRecognitionAlternative>, public ScriptWrappable {
 public:
-    static SpeechRecognitionAlternative* create(const String&, double);
+    static PassRefPtrWillBeRawPtr<SpeechRecognitionAlternative> create(const String&, double);
 
     const String& transcript() const { return m_transcript; }
     double confidence() const { return m_confidence; }
 
     void trace(Visitor*) { }
 
 private:
     SpeechRecognitionAlternative(const String&, double);
 
     String m_transcript;
     double m_confidence;
 };
 
 } // namespace WebCore
 
 #endif // SpeechRecognitionAlternative_h