Add MediaServiceThrottler

content/browser/media/android/media_player_renderer.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_
 #define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 78 matching lines @@
   // returns the token associated to the request. The token can then be used to
   // complete the request via the gpu::ScopedSurfaceRequestConduit.
   // A completed request will call back to OnScopedSurfaceRequestCompleted().
   //
   // NOTE: If a request is already pending, calling this method again will
   // safely cancel the pending request before registering a new one.
   base::UnguessableToken InitiateScopedSurfaceRequest();
   void OnScopedSurfaceRequestCompleted(gl::ScopedJavaSurface surface);
 
  private:
+  void InitializeInternal(
+      media::DemuxerStreamProvider* demuxer_stream_provider);
+
   // Used when creating |media_player_|.
   void OnDecoderResourcesReleased(int player_id);
 
   // Cancels the pending request started by InitiateScopedSurfaceRequest(), if
   // it exists. No-ops otherwise.
   void CancelScopedSurfaceRequest();
 
   RenderFrameHost* render_frame_host_;
   media::RendererClient* renderer_client_;
 
+  media::PipelineStatusCB pending_init_cb_;
+
   std::unique_ptr<media::MediaPlayerBridge> media_player_;
 
   // Current duration of the media.
   base::TimeDelta duration_;
 
   // Indicates if a serious error has been encountered by the |media_player_|.
   bool has_error_;
 
   gfx::Size video_size_;
 
   base::UnguessableToken surface_request_token_;
 
   std::unique_ptr<media::MediaResourceGetter> media_resource_getter_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaPlayerRenderer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerRenderer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_