Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechRecognitionAlternative.cpp

 /*
  * 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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "modules/speech/SpeechRecognitionAlternative.h"
 
 namespace WebCore {
 
-PassRefPtrWillBeRawPtr<SpeechRecognitionAlternative> SpeechRecognitionAlternative::create(const String& transcript, double confidence)
+SpeechRecognitionAlternative* SpeechRecognitionAlternative::create(const String& transcript, double confidence)
 {
-    return adoptRefWillBeNoop(new SpeechRecognitionAlternative(transcript, confidence));
+    return new SpeechRecognitionAlternative(transcript, confidence);
 }
 
 SpeechRecognitionAlternative::SpeechRecognitionAlternative(const String& transcript, double confidence)
     : m_transcript(transcript)
     , m_confidence(confidence)
 {
     ScriptWrappable::init(this);
 }
 
 } // namespace WebCore