Remove unused flush operation from Chromium audio.

media/filters/audio_renderer_impl.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/filters/audio_renderer_impl.h"
 
 #include <math.h>
 
 #include <algorithm>
 
@@ skipping 85 matching lines @@
     if (!pending_read_)
       base::ResetAndReturn(&pause_cb_).Run();
   }
 
   DoPause();
 }
 
 void AudioRendererImpl::DoPause() {
   DCHECK(message_loop_->BelongsToCurrentThread());
   DCHECK(sink_);
-  sink_->Pause(false);
+  sink_->Pause();
 }
 
 void AudioRendererImpl::Flush(const base::Closure& callback) {
   DCHECK(message_loop_->BelongsToCurrentThread());
 
   if (decrypting_demuxer_stream_) {
     decrypting_demuxer_stream_->Reset(base::Bind(
         &AudioRendererImpl::ResetDecoder, weak_this_, callback));
     return;
   }
@@ skipping 52 matching lines @@
     rendered_end_of_stream_ = false;
     preroll_aborted_ = false;
 
     splicer_->Reset();
     algorithm_->FlushBuffers();
     earliest_end_time_ = now_cb_.Run();
 
     AttemptRead_Locked();
   }
 
-  // Pause and flush the stream when we preroll to a new location.
-  sink_->Pause(true);
+  sink_->Pause();
 }
 
 void AudioRendererImpl::Initialize(const scoped_refptr<DemuxerStream>& stream,
                                    const PipelineStatusCB& init_cb,
                                    const StatisticsCB& statistics_cb,
                                    const base::Closure& underflow_cb,
                                    const TimeCB& time_cb,
                                    const base::Closure& ended_cb,
                                    const base::Closure& disabled_cb,
                                    const PipelineStatusCB& error_cb) {
@@ skipping 467 matching lines @@
     case kUnderflow:
     case kRebuffering:
     case kStopped:
       if (status != PIPELINE_OK)
         error_cb_.Run(status);
       return;
   }
 }
 
 }  // namespace media