Enable oilpan in modules/mediasource

Source/modules/mediasource/MediaSource.h

Index: Source/modules/mediasource/MediaSource.h
diff --git a/Source/modules/mediasource/MediaSource.h b/Source/modules/mediasource/MediaSource.h
index 60f28e83c343f8d65e171682dcd80aa1dc40b2a3..fc25b1c73f46670ec4ed83a2eb67260b73d192a3 100644
--- a/Source/modules/mediasource/MediaSource.h
+++ b/Source/modules/mediasource/MediaSource.h
@@ -43,7 +43,7 @@ class ExceptionState;
 
 class MediaSource FINAL : public MediaSourceBase, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<MediaSource> create(ExecutionContext*);
+    static MediaSource* create(ExecutionContext*);
     virtual ~MediaSource();
 
     // MediaSource.idl methods
@@ -58,11 +58,6 @@ public:
 
     virtual void trace(Visitor*) OVERRIDE;
 
-#if !ENABLE(OILPAN)
-    using RefCounted<MediaSourceBase>::ref;
-    using RefCounted<MediaSourceBase>::deref;
-#endif
-
 private:
     explicit MediaSource(ExecutionContext*);
 
@@ -71,8 +66,8 @@ private:
     virtual Vector<RefPtr<TimeRanges> > activeRanges() const OVERRIDE;
     virtual bool isUpdating() const OVERRIDE;
 
-    RefPtrWillBeMember<SourceBufferList> m_sourceBuffers;
-    RefPtrWillBeMember<SourceBufferList> m_activeSourceBuffers;
+    Member<SourceBufferList> m_sourceBuffers;
+    Member<SourceBufferList> m_activeSourceBuffers;
 };
 
 } // namespace WebCore