Revert of Support casting for embedded YT videos

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 4bcb2888378aa73d79f26b3c5e78adafd86fed9c..3ce079fd5dd7c309d1dc7c4afc8dfc510173d2a1 100644
--- a/content/renderer/media/android/renderer_media_player_manager.h
+++ b/content/renderer/media/android/renderer_media_player_manager.h
@@ -23,9 +23,8 @@
 class RectF;
 }
 
-struct MediaPlayerHostMsg_Initialize_Params;
+namespace content {
 
-namespace content {
 class WebMediaPlayerAndroid;
 
 // Class for managing all the WebMediaPlayerAndroid objects in the same
@@ -44,8 +43,7 @@
                   int player_id,
                   const GURL& url,
                   const GURL& first_party_for_cookies,
-                  int demuxer_client_id,
-                  const GURL& frame_url);
+                  int demuxer_client_id);
 
   // Starts the player.
   void Start(int player_id);