Move VideoDecoder out of media pipeline.

content/renderer/media/rtc_video_decoder.cc

 // Copyright (c) 2012 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 "content/renderer/media/rtc_video_decoder.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 43 matching lines @@
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   state_ = kNormal;
   pipeline_status_cb.Run(PIPELINE_OK);
 
   // TODO(acolwell): Implement stats.
 }
 
 void RTCVideoDecoder::Play(const base::Closure& callback) {
   if (MessageLoop::current() != message_loop_) {
     message_loop_->PostTask(FROM_HERE,
-                            base::Bind(&RTCVideoDecoder::Play,
-                                       this, callback));
+                            base::Bind(&RTCVideoDecoder::Play, this, callback));
     return;
   }
 
   DCHECK_EQ(MessageLoop::current(), message_loop_);
 
-  VideoDecoder::Play(callback);
+  callback.Run();
 }
 
 void RTCVideoDecoder::Pause(const base::Closure& callback) {
   if (MessageLoop::current() != message_loop_) {
     message_loop_->PostTask(FROM_HERE,
                             base::Bind(&RTCVideoDecoder::Pause,
                                        this, callback));
     return;
   }
 
   DCHECK_EQ(MessageLoop::current(), message_loop_);
 
   state_ = kPaused;
 
-  VideoDecoder::Pause(callback);
+  callback.Run();
 }
 
 void RTCVideoDecoder::Flush(const base::Closure& callback) {
   if (MessageLoop::current() != message_loop_) {
     message_loop_->PostTask(FROM_HERE,
                             base::Bind(&RTCVideoDecoder::Flush,
                                        this, callback));
     return;
   }
 
@@ skipping 120 matching lines @@
 
   int y_rows = frame->GetHeight();
   int uv_rows = frame->GetHeight() / 2;  // YV12 format.
   CopyYPlane(frame->GetYPlane(), frame->GetYPitch(), y_rows, video_frame);
   CopyUPlane(frame->GetUPlane(), frame->GetUPitch(), uv_rows, video_frame);
   CopyVPlane(frame->GetVPlane(), frame->GetVPitch(), uv_rows, video_frame);
 
   read_cb.Run(video_frame);
   return true;
 }