Remove VideoDecoder::PrepareForShutdownHack() and friends.

media/base/pipeline.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 "media/base/pipeline.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 702 matching lines @@
 
 void Pipeline::StopTask(const base::Closure& stop_cb) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   DCHECK(stop_cb_.is_null());
 
   if (state_ == kStopped) {
     stop_cb.Run();
     return;
   }
 
-  // TODO(scherkus): Remove after pipeline state machine refactoring has some
-  // time to bake http://crbug.com/110228
-  if (video_renderer_)
-    video_renderer_->PrepareForShutdownHack();
-
   SetState(kStopping);
   pending_callbacks_.reset();
   stop_cb_ = stop_cb;
 
   DoStop(base::Bind(&Pipeline::OnStopCompleted, this));
 }
 
 void Pipeline::ErrorChangedTask(PipelineStatus error) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   DCHECK_NE(PIPELINE_OK, error) << "PIPELINE_OK isn't an error!";
@@ skipping 218 matching lines @@
 void Pipeline::StartClockIfWaitingForTimeUpdate_Locked() {
   lock_.AssertAcquired();
   if (!waiting_for_clock_update_)
     return;
 
   waiting_for_clock_update_ = false;
   clock_->Play();
 }
 
 }  // namespace media