work-in-progress patch to fix context lost black video

content/renderer/media/android/webmediaplayer_android.h

Index: content/renderer/media/android/webmediaplayer_android.h
diff --git a/content/renderer/media/android/webmediaplayer_android.h b/content/renderer/media/android/webmediaplayer_android.h
index b3864e6a4f98fbc30534cf7f72024c07c9f579a2..c24ad001149008d9c96483be67e4763eea505ebd 100644
--- a/content/renderer/media/android/webmediaplayer_android.h
+++ b/content/renderer/media/android/webmediaplayer_android.h
@@ -70,7 +70,8 @@ class WebMediaPlayerDelegate;
 // player.
 class WebMediaPlayerAndroid : public blink::WebMediaPlayer,
                               public cc::VideoFrameProvider,
-                              public RenderFrameObserver {
+                              public RenderFrameObserver,
+                              public StreamTextureFactoryContextObserver {
  public:
   // Construct a WebMediaPlayerAndroid object. This class communicates with the
   // MediaPlayerAndroid object in the browser process through |proxy|.
@@ -196,6 +197,10 @@ class WebMediaPlayerAndroid : public blink::WebMediaPlayer,
   void OnMediaPlayerPause();
   void OnRequestFullscreen();
 
+  // StreamTextureFactoryContextObserver implementation.
+  virtual void OnContextLost() OVERRIDE;
+  virtual void OnContextRestored() OVERRIDE;
+
   // Called when the player is released.
   virtual void OnPlayerReleased();