Chromecast: Add a way to notify video plane about resolution changes

chromecast/media/cma/backend/video_plane_fake.h

Index: chromecast/media/cma/backend/video_plane_fake.h
diff --git a/chromecast/media/cma/backend/video_plane_fake.h b/chromecast/media/cma/backend/video_plane_fake.h
index f809015673d1d8e9debd2fcd0af2a06a216bdd13..18acca10743a6e795340351b9fbf404ccf4e744a 100644
--- a/chromecast/media/cma/backend/video_plane_fake.h
+++ b/chromecast/media/cma/backend/video_plane_fake.h
@@ -17,17 +17,12 @@ class VideoPlaneFake : public VideoPlane {
   static VideoPlaneFake* GetInstance();
 
   // VideoPlane implementation.
-  gfx::Size GetVideoPlaneResolution() override;
-  void SetGeometry(const gfx::QuadF& quad,
-                   CoordinateType coordinate_type) override;
+  virtual gfx::Size GetScreenResolution() override;
+  virtual void SetGeometry(const gfx::QuadF& quad,
+                           CoordinateType coordinate_type) override;
+  virtual void OnScreenResolutionChanged(const gfx::Size& screen_res) override;
 
  private:
-  friend struct DefaultSingletonTraits<VideoPlaneFake>;
-  friend class Singleton<VideoPlaneFake>;
-
-  VideoPlaneFake();
-  virtual ~VideoPlaneFake();
-
   DISALLOW_COPY_AND_ASSIGN(VideoPlaneFake);
 };