Remove VideoFrameScheduler and dependents.

media/filters/clockless_video_frame_scheduler.h

Index: media/filters/clockless_video_frame_scheduler.h
diff --git a/media/filters/clockless_video_frame_scheduler.h b/media/filters/clockless_video_frame_scheduler.h
deleted file mode 100644
index b13ffc2f74b72471062910e92892a6ef66b9b882..0000000000000000000000000000000000000000
--- a/media/filters/clockless_video_frame_scheduler.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// 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 MEDIA_FILTERS_CLOCKLESS_VIDEO_FRAME_SCHEDULER_H_
-#define MEDIA_FILTERS_CLOCKLESS_VIDEO_FRAME_SCHEDULER_H_
-
-#include "media/filters/video_frame_scheduler.h"
-
-namespace media {
-
-// A scheduler that immediately displays frames.
-class ClocklessVideoFrameScheduler : public VideoFrameScheduler {
- public:
-  typedef base::Callback<void(const scoped_refptr<VideoFrame>&)> DisplayCB;
-
-  explicit ClocklessVideoFrameScheduler(const DisplayCB& display_cb);
-  ~ClocklessVideoFrameScheduler() override;
-
-  // VideoFrameScheduler implementation.
-  void ScheduleVideoFrame(const scoped_refptr<VideoFrame>& frame,
-                          base::TimeTicks wall_ticks,
-                          const DoneCB& done_cb) override;
-  void Reset() override;
-
- private:
-  DisplayCB display_cb_;
-
-  DISALLOW_COPY_AND_ASSIGN(ClocklessVideoFrameScheduler);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_FILTERS_CLOCKLESS_VIDEO_FRAME_SCHEDULER_H_