Restart fullscreen video playback when switching back from background

content/renderer/media/android/renderer_media_player_manager.h

Index: content/renderer/media/android/renderer_media_player_manager.h
diff --git a/content/renderer/media/android/renderer_media_player_manager.h b/content/renderer/media/android/renderer_media_player_manager.h
index 6830a715931de19ad3366a7a617217be9c727773..d4cbf17add3ef1ceac1523b259f12f4f07a66e8f 100644
--- a/content/renderer/media/android/renderer_media_player_manager.h
+++ b/content/renderer/media/android/renderer_media_player_manager.h
@@ -115,7 +115,8 @@ class RendererMediaPlayerManager : public RenderViewObserver {
 
   // Releases the media resources managed by this object when a video
   // is playing.
-  void ReleaseVideoResources();
+  void PauseVideo();
+  void ResumeVideo();

[qinmin, 2013/12/06 00:10:13]

s/rResumeVideo/ResumeFullscreenVideo/

 
   // Checks whether a player can enter fullscreen.
   bool CanEnterFullscreen(blink::WebFrame* frame);
@@ -184,6 +185,13 @@ class RendererMediaPlayerManager : public RenderViewObserver {
 
   int next_media_player_id_;
 
+  // ID of the player that entered fullscreen.
+  int fullscreen_player_id_;
+
+  // Preserves the value of fullscreen_player_id_ between PauseVideo
+  // and ResumeVideo.
+  int paused_fullscreen_player_id_;
+
   // WebFrame of the fullscreen video.
   blink::WebFrame* fullscreen_frame_;