Oilpan: Move MediaStreamSource, MediaStreamComponent and MediaStreamDescriptor to oilpan's heap

public/platform/WebMediaStreamTrack.h

Index: public/platform/WebMediaStreamTrack.h
diff --git a/public/platform/WebMediaStreamTrack.h b/public/platform/WebMediaStreamTrack.h
index d49565f5714199e146d2713c209129f2d439b36b..04598a765da4952ee950fff4fff675163818d4ea 100644
--- a/public/platform/WebMediaStreamTrack.h
+++ b/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;

[zerny-chromium, 2014/08/27 13:21:53]

It's not clear to me why we can remove the owner-api here but not for the
MediaStreamSource case.

[haraken, 2014/08/27 13:24:55]

It's just because WebMediaStreamSource::m_owner is used in the Chromium side but
WebMediaStreamTrack::m_owner is not used in the Chromium side.

     };
 
     WebMediaStreamTrack() { }
@@ -89,10 +80,8 @@ 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;
     BLINK_PLATFORM_EXPORT operator MediaStreamComponent*() const;
 #endif