Enable oilpan in modules/mediasource

Source/modules/mediasource/VideoPlaybackQuality.h

Index: Source/modules/mediasource/VideoPlaybackQuality.h
diff --git a/Source/modules/mediasource/VideoPlaybackQuality.h b/Source/modules/mediasource/VideoPlaybackQuality.h
index 07eda291db60ba192bdece9da4ae213e66b1ee72..00135608e641c4da3526ca61f5a201637e4a725e 100644
--- a/Source/modules/mediasource/VideoPlaybackQuality.h
+++ b/Source/modules/mediasource/VideoPlaybackQuality.h
@@ -32,16 +32,14 @@
 #define VideoPlaybackQuality_h
 
 #include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
-#include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class Document;
 
-class VideoPlaybackQuality : public RefCountedWillBeGarbageCollected<VideoPlaybackQuality> {
+class VideoPlaybackQuality : public GarbageCollected<VideoPlaybackQuality> {
 public:
-    static PassRefPtrWillBeRawPtr<VideoPlaybackQuality> create(const Document&, unsigned totalVideoFrames, unsigned droppedVideoFrames, unsigned corruptedVideoFrames);
+    static VideoPlaybackQuality* create(const Document&, unsigned totalVideoFrames, unsigned droppedVideoFrames, unsigned corruptedVideoFrames);
 
     double creationTime() const { return m_creationTime; }
     unsigned totalVideoFrames() const { return m_totalVideoFrames; }