Restart fullscreen video playback when switching back from background

content/browser/media/android/browser_media_player_manager.h

Index: content/browser/media/android/browser_media_player_manager.h
diff --git a/content/browser/media/android/browser_media_player_manager.h b/content/browser/media/android/browser_media_player_manager.h
index d407e7e56a873ef62c11fb4624d7b43dec2cbc6e..7813d92e5eac9b040f845975f0535c398e3fb88d 100644
--- a/content/browser/media/android/browser_media_player_manager.h
+++ b/content/browser/media/android/browser_media_player_manager.h
@@ -30,6 +30,7 @@ class MediaDrmBridge;
 
 namespace content {
 class BrowserDemuxerAndroid;
+class ContentViewCoreImpl;
 class WebContents;
 
 // This class manages all the MediaPlayerAndroid objects. It receives
@@ -48,6 +49,8 @@ class CONTENT_EXPORT BrowserMediaPlayerManager
   // Returns a new instance using the registered factory if available.
   static BrowserMediaPlayerManager* Create(RenderViewHost* rvh);
 
+  ContentViewCoreImpl* GetContentViewCore() const;
+
   virtual ~BrowserMediaPlayerManager();
 
   // WebContentsObserver overrides.
@@ -59,6 +62,8 @@ class CONTENT_EXPORT BrowserMediaPlayerManager
   virtual void FullscreenPlayerSeek(int msec);
   virtual void ExitFullscreen(bool release_media_player);
   virtual void SetVideoSurface(gfx::ScopedJavaSurface surface);
+  virtual void SuspendFullscreen();
+  virtual void ResumeFullscreen(gfx::ScopedJavaSurface surface);
 
   // Called when browser player wants the renderer media element to seek.
   // Any actual seek started by renderer will be handled by browser in OnSeek().
@@ -219,9 +224,6 @@ class CONTENT_EXPORT BrowserMediaPlayerManager
   // The player ID pending to enter fullscreen.
   int pending_fullscreen_player_id_;
 
-  // Whether the fullscreen player has been Release()-d.
-  bool fullscreen_player_is_released_;
-
   WebContents* web_contents_;
 
   // Object for retrieving resources media players.