Remove unused flush operation from Chromium audio.

media/base/audio_renderer_mixer.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/audio_renderer_mixer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 
@@ skipping 48 matching lines @@
                                int audio_delay_milliseconds) {
   base::AutoLock auto_lock(mixer_inputs_lock_);
 
   // If there are no mixer inputs and we haven't seen one for a while, pause the
   // sink to avoid wasting resources when media elements are present but remain
   // in the pause state.
   base::Time now = base::Time::Now();
   if (!mixer_inputs_.empty()) {
     last_play_time_ = now;
   } else if (now - last_play_time_ >= pause_delay_ && playing_) {
-    audio_sink_->Pause(false);
+    audio_sink_->Pause();
     playing_ = false;
   }
 
   // Set the delay information for each mixer input.
   for (AudioRendererMixerInputSet::iterator it = mixer_inputs_.begin();
        it != mixer_inputs_.end(); ++it) {
     (*it)->set_audio_delay_milliseconds(audio_delay_milliseconds);
   }
 
   audio_converter_.Convert(audio_bus);
   return audio_bus->frames();
 }
 
 void AudioRendererMixer::OnRenderError() {
   base::AutoLock auto_lock(mixer_inputs_lock_);
 
   // Call each mixer input and signal an error.
   for (AudioRendererMixerInputSet::iterator it = mixer_inputs_.begin();
        it != mixer_inputs_.end(); ++it) {
     (*it)->OnRenderError();
   }
 }
 
 }  // namespace media