Remove TestMediaStreamVideoRenderer usage from LayoutTests.

content/shell/renderer/layout_test/test_media_stream_video_renderer.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_SHELL_RENDERER_LAYOUT_TEST_TEST_MEDIA_STREAM_VIDEO_RENDERER_H_
-#define CONTENT_SHELL_RENDERER_LAYOUT_TEST_TEST_MEDIA_STREAM_VIDEO_RENDERER_H_
-
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "content/public/renderer/media_stream_video_renderer.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace content {
-
-// A MediaStreamVideoRenderer that 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 TestMediaStreamVideoRenderer : public MediaStreamVideoRenderer {
- public:
-  TestMediaStreamVideoRenderer(
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
-      const gfx::Size& size,
-      const base::TimeDelta& frame_duration,
-      const base::Closure& error_cb,
-      const RepaintCB& repaint_cb);
-
-  // MediaStreamVideoRenderer implementation.
-  void Start() override;
-  void Stop() override;
-  void Resume() override;
-  void Pause() override;
-
- protected:
-  ~TestMediaStreamVideoRenderer() override;
-
- private:
-  enum State {
-    kStarted,
-    kPaused,
-    kStopped,
-  };
-
-  void GenerateFrame();
-
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-  gfx::Size size_;
-  State state_;
-
-  base::TimeDelta current_time_;
-  base::TimeDelta frame_duration_;
-  base::Closure error_cb_;
-  RepaintCB repaint_cb_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestMediaStreamVideoRenderer);
-};
-
-} // namespace content
-
-#endif // CONTENT_SHELL_RENDERER_LAYOUT_TEST_TEST_MEDIA_STREAM_VIDEO_RENDERER_H_