Enable oilpan in modules/mediasource

Source/modules/mediasource/SourceBuffer.h

Index: Source/modules/mediasource/SourceBuffer.h
diff --git a/Source/modules/mediasource/SourceBuffer.h b/Source/modules/mediasource/SourceBuffer.h
index fc4e1bca28b379d10abfddbbfe7bd9b779cc592f..9d65c779fc3df85a2a0034716716c5deaebe0b8a 100644
--- a/Source/modules/mediasource/SourceBuffer.h
+++ b/Source/modules/mediasource/SourceBuffer.h
@@ -57,10 +57,10 @@ class MediaSource;
 class Stream;
 class TimeRanges;
 
-class SourceBuffer FINAL : public RefCountedWillBeRefCountedGarbageCollected<SourceBuffer>, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public FileReaderLoaderClient {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<SourceBuffer>);
+class SourceBuffer FINAL : public RefCountedGarbageCollected<SourceBuffer>, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public FileReaderLoaderClient {
+    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedGarbageCollected<SourceBuffer>);
 public:
-    static PassRefPtrWillBeRawPtr<SourceBuffer> create(PassOwnPtr<blink::WebSourceBuffer>, MediaSource*, GenericEventQueue*);
+    static SourceBuffer* create(PassOwnPtr<blink::WebSourceBuffer>, MediaSource*, GenericEventQueue*);
     static const AtomicString& segmentsKeyword();
     static const AtomicString& sequenceKeyword();
 
@@ -122,7 +122,7 @@ private:
     virtual void didFail(FileError::ErrorCode) OVERRIDE;
 
     OwnPtr<blink::WebSourceBuffer> m_webSourceBuffer;
-    RawPtrWillBeMember<MediaSource> m_source;
+    Member<MediaSource> m_source;
     GenericEventQueue* m_asyncEventQueue;
 
     AtomicString m_mode;