Oilpan: Make LocalFrame PersistentHeapSupplementable and use transition types for its supplements.

Source/modules/mediastream/UserMediaController.h

Index: Source/modules/mediastream/UserMediaController.h
diff --git a/Source/modules/mediastream/UserMediaController.h b/Source/modules/mediastream/UserMediaController.h
index 6a45a0e08371ba2f9ecc08c8d7285329f505ca7f..c751f0fd8c45f0fe5b85a32d6cd44cbefe684eb9 100644
--- a/Source/modules/mediastream/UserMediaController.h
+++ b/Source/modules/mediastream/UserMediaController.h
@@ -34,9 +34,10 @@ namespace WebCore {
 class MediaDevicesRequest;
 class UserMediaRequest;
 
-class UserMediaController FINAL : public Supplement<LocalFrame> {
+class UserMediaController FINAL : public NoBaseWillBeGarbageCollected<UserMediaController>, public WillBeHeapSupplement<LocalFrame> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(UserMediaController);
+    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(UserMediaController);
 public:
-    virtual ~UserMediaController();
 
     UserMediaClient* client() const { return m_client; }
 
@@ -46,11 +47,11 @@ public:
     void requestMediaDevices(PassRefPtrWillBeRawPtr<MediaDevicesRequest>);
     void cancelMediaDevicesRequest(MediaDevicesRequest*);
 
-    static PassOwnPtr<UserMediaController> create(UserMediaClient*);
+    static PassOwnPtrWillBeRawPtr<UserMediaController> create(UserMediaClient*);
     static const char* supplementName();
-    static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(Supplement<LocalFrame>::from(frame, supplementName())); }
+    static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
 
-    virtual void trace(Visitor* visitor) OVERRIDE { Supplement<LocalFrame>::trace(visitor); }
+    virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
 
 protected:
     explicit UserMediaController(UserMediaClient*);