Revert of Enable Oilpan by default in modules/speech/

Source/modules/speech/SpeechRecognitionResult.h

Index: Source/modules/speech/SpeechRecognitionResult.h
diff --git a/Source/modules/speech/SpeechRecognitionResult.h b/Source/modules/speech/SpeechRecognitionResult.h
index 3d936df2f46809b9a1618abcf666ee1eb9fd4910..66640f3aab3ee3a0c2d1393ef8d3176d1f32b24a 100644
--- a/Source/modules/speech/SpeechRecognitionResult.h
+++ b/Source/modules/speech/SpeechRecognitionResult.h
@@ -29,13 +29,18 @@
 #include "bindings/v8/ScriptWrappable.h"
 #include "modules/speech/SpeechRecognitionAlternative.h"
 #include "platform/heap/Handle.h"
+#include "wtf/RefCounted.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
-class SpeechRecognitionResult FINAL : public GarbageCollectedFinalized<SpeechRecognitionResult>, public ScriptWrappable {
+// FIXME: oilpan: the platform outer layer (WebSpeechRecognitionResult) depends on
+// holding a WebPrivatePtr (a RefPtr) to this result object. When/if such pointers
+// can be to GCed objects, we can drop the extra reference counting layer.
+class SpeechRecognitionResult : public RefCountedWillBeGarbageCollectedFinalized<SpeechRecognitionResult>, public ScriptWrappable {
 public:
     ~SpeechRecognitionResult();
-    static SpeechRecognitionResult* create(const HeapVector<Member<SpeechRecognitionAlternative> >&, bool final);
+    static PassRefPtrWillBeRawPtr<SpeechRecognitionResult> create(const WillBeHeapVector<RefPtrWillBeMember<SpeechRecognitionAlternative> >&, bool final);
 
     unsigned long length() { return m_alternatives.size(); }
     SpeechRecognitionAlternative* item(unsigned long index);
@@ -44,10 +49,10 @@
     void trace(Visitor*);
 
 private:
-    SpeechRecognitionResult(const HeapVector<Member<SpeechRecognitionAlternative> >&, bool final);
+    SpeechRecognitionResult(const WillBeHeapVector<RefPtrWillBeMember<SpeechRecognitionAlternative> >&, bool final);
 
     bool m_final;
-    HeapVector<Member<SpeechRecognitionAlternative> > m_alternatives;
+    WillBeHeapVector<RefPtrWillBeMember<SpeechRecognitionAlternative> > m_alternatives;
 };
 
 } // namespace WebCore