Revert of Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechGrammar.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 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.
  */
 
 #ifndef SpeechGrammar_h
 #define SpeechGrammar_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
+#include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class ExecutionContext;
 
-class SpeechGrammar FINAL : public GarbageCollectedFinalized<SpeechGrammar>, public ScriptWrappable {
+class SpeechGrammar : public RefCountedWillBeGarbageCollectedFinalized<SpeechGrammar>, public ScriptWrappable {
 public:
-    static SpeechGrammar* create(); // FIXME: The spec is not clear on what the constructor should look like.
-    static SpeechGrammar* create(const KURL& src, double weight);
+    static PassRefPtrWillBeRawPtr<SpeechGrammar> create(); // FIXME: The spec is not clear on what the constructor should look like.
+    static PassRefPtrWillBeRawPtr<SpeechGrammar> create(const KURL& src, double weight);
 
     const KURL& src(ExecutionContext*) const { return m_src; }
     const KURL& src() const { return m_src; }
     void setSrc(ExecutionContext*, const String& src);
 
     double weight() const { return m_weight; }
     void setWeight(double weight) { m_weight = weight; }
 
     void trace(Visitor*) { }
 
 private:
     SpeechGrammar();
     SpeechGrammar(const KURL& src, double weight);
 
     KURL m_src;
     double m_weight;
 };
 
 } // namespace WebCore
 
 #endif // SpeechGrammar_h