Move VideoRenderer to remoting/protocol

remoting/client/video_renderer.h

-// Copyright 2014 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 REMOTING_CLIENT_VIDEO_RENDERER_H_
-#define REMOTING_CLIENT_VIDEO_RENDERER_H_
-
-namespace remoting {
-
-namespace protocol {
-class SessionConfig;
-class VideoStub;
-}  // namespace protocol;
-
-// VideoRenderer is responsible for decoding and displaying incoming video
-// stream.
-class VideoRenderer {
- public:
-  virtual ~VideoRenderer() {}
-
-  // Configures the renderer with the supplied |config|. This must be called
-  // exactly once before video data is supplied to the renderer.
-  virtual void OnSessionConfig(const protocol::SessionConfig& config) = 0;
-
-  // Returns the VideoStub interface of this renderer.
-  virtual protocol::VideoStub* GetVideoStub() = 0;
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_VIDEO_RENDERER_H_