Remove VideoFrameScheduler and dependents.

media/filters/video_frame_scheduler_impl.h

Index: media/filters/video_frame_scheduler_impl.h
diff --git a/media/filters/video_frame_scheduler_impl.h b/media/filters/video_frame_scheduler_impl.h
deleted file mode 100644
index 6398969f2c063027a994cb0ebe5d4eae40abd97c..0000000000000000000000000000000000000000
--- a/media/filters/video_frame_scheduler_impl.h
+++ /dev/null
@@ -1,74 +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_VIDEO_FRAME_SCHEDULER_IMPL_H_
-#define MEDIA_FILTERS_VIDEO_FRAME_SCHEDULER_IMPL_H_
-
-#include <queue>
-
-#include "base/memory/ref_counted.h"
-#include "base/timer/timer.h"
-#include "media/filters/video_frame_scheduler.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-class TickClock;
-}
-
-namespace media {
-
-// A scheduler that uses delayed tasks on a task runner for timing the display
-// of video frames.
-//
-// Single threaded. Calls must be on |task_runner|.
-class MEDIA_EXPORT VideoFrameSchedulerImpl : public VideoFrameScheduler {
- public:
-  typedef base::Callback<void(const scoped_refptr<VideoFrame>&)> DisplayCB;
-
-  // |task_runner| is used for scheduling the delayed tasks.
-  // |display_cb| is run when a frame is to be displayed.
-  VideoFrameSchedulerImpl(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
-      const DisplayCB& display_cb);
-  ~VideoFrameSchedulerImpl() override;
-
-  // VideoFrameScheduler implementation.
-  void ScheduleVideoFrame(const scoped_refptr<VideoFrame>& frame,
-                          base::TimeTicks wall_ticks,
-                          const DoneCB& done_cb) override;
-  void Reset() override;
-
-  void SetTickClockForTesting(scoped_ptr<base::TickClock> tick_clock);
-
- private:
-  void ResetTimerIfNecessary();
-  void OnTimerFired();
-
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  DisplayCB display_cb_;
-  scoped_ptr<base::TickClock> tick_clock_;
-  base::OneShotTimer<VideoFrameScheduler> timer_;
-
-  struct PendingFrame {
-    PendingFrame(const scoped_refptr<VideoFrame>& frame,
-                 base::TimeTicks wall_ticks,
-                 const DoneCB& done_cb);
-    ~PendingFrame();
-
-    // For use with std::priority_queue<T>.
-    bool operator<(const PendingFrame& other) const;
-
-    scoped_refptr<VideoFrame> frame;
-    base::TimeTicks wall_ticks;
-    DoneCB done_cb;
-  };
-  typedef std::priority_queue<PendingFrame> PendingFrameQueue;
-  PendingFrameQueue pending_frames_;
-
-  DISALLOW_COPY_AND_ASSIGN(VideoFrameSchedulerImpl);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_FILTERS_VIDEO_FRAME_SCHEDULER_IMPL_H_