Downloads and passes the poster image to Android

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 9f38d42f7206c34fc4291550f44cda47a2a02e3c..6bafe5bad0b82c879de36c7f0eb48e23317a215c 100644
--- a/content/browser/media/android/browser_media_player_manager.h
+++ b/content/browser/media/android/browser_media_player_manager.h
@@ -118,6 +118,14 @@ class CONTENT_EXPORT BrowserMediaPlayerManager
   // TODO(qinmin): remove this once we have the new fullscreen mode.
   void DisableFullscreenEncryptedMediaPlayback();
 
+  // Callback for when the download of poster image is done.
+  virtual void DidDownloadPoster(
+      int id,
+      int http_status_code,
+      const GURL& image_url,
+      const std::vector<SkBitmap>& bitmaps,
+      const std::vector<gfx::Size>& original_bitmap_sizes);
+
  protected:
   // Clients must use Create() or subclass constructor.
   explicit BrowserMediaPlayerManager(RenderViewHost* render_view_host);
@@ -135,6 +143,7 @@ class CONTENT_EXPORT BrowserMediaPlayerManager
   virtual void OnSeek(int player_id, const base::TimeDelta& time);
   virtual void OnPause(int player_id, bool is_media_related_action);
   virtual void OnSetVolume(int player_id, double volume);
+  virtual void OnSetPoster(int player_id, const GURL& poster);
   virtual void OnReleaseResources(int player_id);
   virtual void OnDestroyPlayer(int player_id);
   void OnInitializeCDM(int media_keys_id,