Revert of Move speech module over to Oilpan.

Source/modules/speech/SpeechGrammar.h

Index: Source/modules/speech/SpeechGrammar.h
diff --git a/Source/modules/speech/SpeechGrammar.h b/Source/modules/speech/SpeechGrammar.h
index 2f3cab5c16a08501ae7d3bb0ca7b3fed6ded96db..e7bff2a37af6ae6a79bd5771e235c14ec852cf9b 100644
--- a/Source/modules/speech/SpeechGrammar.h
+++ b/Source/modules/speech/SpeechGrammar.h
@@ -27,7 +27,6 @@
 #define SpeechGrammar_h
 
 #include "bindings/v8/ScriptWrappable.h"
-#include "heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
@@ -36,11 +35,10 @@
 
 class ExecutionContext;
 
-class SpeechGrammar : public RefCountedWillBeGarbageCollectedFinalized<SpeechGrammar>, public ScriptWrappable {
-    DECLARE_GC_INFO;
+class SpeechGrammar : public ScriptWrappable, public RefCounted<SpeechGrammar> {
 public:
-    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);
+    static PassRefPtr<SpeechGrammar> create(); // FIXME: The spec is not clear on what the constructor should look like.
+    static PassRefPtr<SpeechGrammar> create(const KURL& src, double weight);
 
     const KURL& src(ExecutionContext*) const { return m_src; }
     const KURL& src() const { return m_src; }
@@ -48,8 +46,6 @@
 
     double weight() const { return m_weight; }
     void setWeight(double weight) { m_weight = weight; }
-
-    void trace(Visitor*) { }
 
 private:
     SpeechGrammar();