Fix DCHECK in MojoRendererService::SetPlaybackRate

media/mojo/services/mojo_renderer_service.cc

 // 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.
 
 #include "media/mojo/services/mojo_renderer_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "media/base/media_keys.h"
@@ skipping 62 matching lines @@
 }
 
 void MojoRendererService::StartPlayingFrom(base::TimeDelta time_delta) {
   DVLOG(2) << __FUNCTION__ << ": " << time_delta;
   renderer_->StartPlayingFrom(time_delta);
   SchedulePeriodicMediaTimeUpdates();
 }
 
 void MojoRendererService::SetPlaybackRate(double playback_rate) {
   DVLOG(2) << __FUNCTION__ << ": " << playback_rate;
-  DCHECK_EQ(state_, STATE_PLAYING);
+  DCHECK(state_ == STATE_PLAYING || state_ == STATE_ERROR);
   renderer_->SetPlaybackRate(playback_rate);
 }
 
 void MojoRendererService::SetVolume(float volume) {
   renderer_->SetVolume(volume);
 }
 
 void MojoRendererService::SetCdm(int32_t cdm_id,
                                  const SetCdmCallback& callback) {
   if (!mojo_cdm_service_context_) {
@@ skipping 124 matching lines @@
     bool success) {
   DVLOG(1) << __FUNCTION__ << "(" << success << ")";
 
   if (success)
     cdm_ = cdm;
 
   callback.Run(success);
 }
 
 }  // namespace media