Rename Launcher to Shelf.

ash/system/chromeos/audio/tray_audio.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 "ash/system/chromeos/audio/tray_audio.h"
 
 #include <cmath>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 578 matching lines @@
   } else if (volume_view_) {
     volume_view_ = NULL;
     pop_up_volume_view_ = false;
   }
 }
 
 bool TrayAudio::ShouldHideArrow() const {
   return true;
 }
 
-bool TrayAudio::ShouldShowLauncher() const {
+bool TrayAudio::ShouldShowShelf() const {
   return ash::switches::ShowAudioDeviceMenu() && !pop_up_volume_view_;
 }
 
 void TrayAudio::OnOutputVolumeChanged() {
   float percent = GetVolumeLevel();
   if (tray_view())
     tray_view()->SetVisible(GetInitialVisibility());
 
   if (volume_view_) {
     volume_view_->SetVolumeLevel(percent);
@@ skipping 41 matching lines @@
   if (audio_detail_)
     audio_detail_->Update();
   if (volume_view_) {
     volume_view_->SetVolumeLevel(GetVolumeLevel());
     volume_view_->Update();
   }
 }
 
 }  // namespace internal
 }  // namespace ash