Reland: [Oilpan] Move MediaStream{Source|Component|Descriptor} to Oilpan heap

third_party/WebKit/public/platform/WebMediaStreamTrack.h

Index: third_party/WebKit/public/platform/WebMediaStreamTrack.h
diff --git a/third_party/WebKit/public/platform/WebMediaStreamTrack.h b/third_party/WebKit/public/platform/WebMediaStreamTrack.h
index 9b584b1c78eac4a5b56d7558fe89c11466654d91..7bacd76be7ccb0f53007911d7c4e8ea841328d43 100644
--- a/third_party/WebKit/public/platform/WebMediaStreamTrack.h
+++ b/third_party/WebKit/public/platform/WebMediaStreamTrack.h
@@ -41,17 +41,8 @@ class WebMediaStreamTrack {
 public:
     class ExtraData {
     public:
-        ExtraData() : m_owner(0) { }
+        ExtraData() { }
         virtual ~ExtraData() { }
-
-        BLINK_PLATFORM_EXPORT WebMediaStreamTrack owner();
-
-#if INSIDE_BLINK
-        BLINK_PLATFORM_EXPORT void setOwner(MediaStreamComponent*);
-#endif
-
-    private:
-        MediaStreamComponent* m_owner;
     };
 
     WebMediaStreamTrack() { }
@@ -90,7 +81,6 @@ public:
     BLINK_PLATFORM_EXPORT void setSourceProvider(WebAudioSourceProvider*);
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebMediaStreamTrack(PassRefPtr<MediaStreamComponent>);
     BLINK_PLATFORM_EXPORT WebMediaStreamTrack(MediaStreamComponent*);
     BLINK_PLATFORM_EXPORT WebMediaStreamTrack& operator=(MediaStreamComponent*);
     BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<MediaStreamComponent>() const;