Add "repaint" option to PaintSingleFrame

media/base/null_video_sink.cc

 // Copyright 2015 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.
 
 #include "media/base/null_video_sink.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 70 matching lines @@
     if (delay < base::TimeDelta())
       delay += interval_ * (-delay / interval_ + 1);
     current_render_time_ = now + delay;
     last_now_ = now;
   }
 
   task_runner_->PostDelayedTask(FROM_HERE, cancelable_worker_.callback(),
                                 delay);
 }
 
-void NullVideoSink::PaintSingleFrame(const scoped_refptr<VideoFrame>& frame) {
-  if (frame == last_frame_)
+void NullVideoSink::PaintSingleFrame(const scoped_refptr<VideoFrame>& frame,
+                                     bool repaint_duplicate_frame) {
+  if (!repaint_duplicate_frame && frame == last_frame_)
     return;
   last_frame_ = frame;
   new_frame_cb_.Run(frame);
 }
 
 }  // namespace media