Fix the UI issue for showing output muted in ash tray after the device wakes up with hdmi output re…

extensions/shell/browser/shell_audio_controller_chromeos.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 "extensions/shell/browser/shell_audio_controller_chromeos.h"
 
 #include <algorithm>
 
 #include "chromeos/audio/audio_device.h"
 
@@ skipping 21 matching lines @@
 }
 
 ShellAudioController::~ShellAudioController() {
   chromeos::CrasAudioHandler::Get()->RemoveAudioObserver(this);
 }
 
 void ShellAudioController::OnOutputNodeVolumeChanged(uint64_t /* node_id */,
                                                      int /* volume */) {
 }
 
-void ShellAudioController::OnOutputMuteChanged(bool /* mute_on */) {
-}
+void ShellAudioController::OnOutputMuteChanged(bool /* mute_on */,
+                                               bool /* system_adjust */) {}
 
 void ShellAudioController::OnInputNodeGainChanged(uint64_t /* node_id */,
                                                   int /* gain */) {
 }
 
 void ShellAudioController::OnInputMuteChanged(bool /* mute_on */) {
 }
 
 void ShellAudioController::OnAudioNodesChanged() {
   VLOG(1) << "Audio nodes changed";
@@ skipping 28 matching lines @@
   }
   if (best_output && best_output != handler->GetPrimaryActiveOutputNode()) {
     const chromeos::AudioDevice* device = GetDevice(devices, best_output);
     DCHECK(device);
     VLOG(1) << "Activating output device: " << device->ToString();
     handler->SwitchToDevice(*device, true);
   }
 }
 
 }  // namespace extensions