Migrate MediaStream test code from content/shell/renderer/ to content/test/.

content/shell/renderer/shell_video_frame_provider.h

-// Copyright 2013 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_RENDERER_MEDIA_SHELL_VIDEO_FRAME_PROVIDER_H_
-#define CONTENT_RENDERER_MEDIA_SHELL_VIDEO_FRAME_PROVIDER_H_
-
-#include "base/time/time.h"
-#include "ui/gfx/size.h"
-#include "webkit/renderer/media/video_frame_provider.h"
-
-namespace base {
-class MessageLoopProxy;
-}
-
-namespace content {
-
-// A simple implementation of VideoFrameProvider generates raw frames and
-// passes them to webmediaplayer.
-// Since non-black pixel values are required in the layout test, e.g.,
-// media/video-capture-canvas.html, this class should generate frame with
-// only non-black pixels.
-class ShellVideoFrameProvider : public webkit_media::VideoFrameProvider {
- public:
-  ShellVideoFrameProvider(
-      const gfx::Size& size,
-      const base::TimeDelta& frame_duration,
-      const base::Closure& error_cb,
-      const RepaintCB& repaint_cb);
-
-  // webkit_media::VideoFrameProvider implementation.
-  virtual void Start() OVERRIDE;
-  virtual void Stop() OVERRIDE;
-  virtual void Play() OVERRIDE;
-  virtual void Pause() OVERRIDE;
-
- protected:
-  virtual ~ShellVideoFrameProvider();
-
- private:
-  enum State {
-    kStarted,
-    kPaused,
-    kStopped,
-  };
-
-  void GenerateFrame();
-
-  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
-  gfx::Size size_;
-  State state_;
-
-  base::TimeDelta current_time_;
-  base::TimeDelta frame_duration_;
-  base::Closure error_cb_;
-  RepaintCB repaint_cb_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellVideoFrameProvider);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_SHELL_VIDEO_FRAME_PROVIDER_H_