Revert of Move speech module over to Oilpan.

Source/modules/speech/SpeechRecognition.cpp

Index: Source/modules/speech/SpeechRecognition.cpp
diff --git a/Source/modules/speech/SpeechRecognition.cpp b/Source/modules/speech/SpeechRecognition.cpp
index d81aa2c39bb27c27fc8c47816f62d219ded98328..364332ee89098792393ccd585a9bcdf32895dd6b 100644
--- a/Source/modules/speech/SpeechRecognition.cpp
+++ b/Source/modules/speech/SpeechRecognition.cpp
@@ -37,11 +37,9 @@
 
 namespace WebCore {
 
-DEFINE_GC_INFO(SpeechRecognition);
-
-PassRefPtrWillBeRawPtr<SpeechRecognition> SpeechRecognition::create(ExecutionContext* context)
+PassRefPtr<SpeechRecognition> SpeechRecognition::create(ExecutionContext* context)
 {
-    RefPtrWillBeRawPtr<SpeechRecognition> speechRecognition(adoptRefCountedWillBeRefCountedGarbageCollected(new SpeechRecognition(context)));
+    RefPtr<SpeechRecognition> speechRecognition(adoptRef(new SpeechRecognition(context)));
     speechRecognition->suspendIfNeeded();
     return speechRecognition.release();
 }
@@ -191,9 +189,4 @@
 {
 }
 
-void SpeechRecognition::trace(Visitor* visitor)
-{
-    visitor->trace(m_grammars);
-}
-
 } // namespace WebCore