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 58686d5ff5b92786b110fa3c9bcb083083c69649..6a28727c919171539d86f3c0ead43a371e134a11 100644
--- a/Source/modules/mediasource/SourceBuffer.h
+++ b/Source/modules/mediasource/SourceBuffer.h
@@ -54,11 +54,11 @@ class MediaSource;
 class Stream;
 class TimeRanges;
 
-class SourceBuffer FINAL : public RefCountedWillBeRefCountedGarbageCollected<SourceBuffer>, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public FileReaderLoaderClient {
-    REFCOUNTED_EVENT_TARGET(SourceBuffer);
+class SourceBuffer FINAL : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<SourceBuffer>, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public FileReaderLoaderClient {
+    DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<SourceBuffer>);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(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();
 
@@ -120,7 +120,7 @@ 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;