Rename Launcher to Shelf.

ash/system/chromeos/brightness/tray_brightness.cc

 // Copyright 2013 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/brightness/tray_brightness.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/ash_constants.h"
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shell.h"
@@ skipping 183 matching lines @@
     brightness_view_ = NULL;
 }
 
 void TrayBrightness::UpdateAfterLoginStatusChange(user::LoginStatus status) {
 }
 
 bool TrayBrightness::ShouldHideArrow() const {
   return true;
 }
 
-bool TrayBrightness::ShouldShowLauncher() const {
+bool TrayBrightness::ShouldShowShelf() const {
   return false;
 }
 
 void TrayBrightness::BrightnessChanged(int level, bool user_initiated) {
   Shell::GetInstance()->metrics()->RecordUserMetricsAction(
       ash::UMA_STATUS_AREA_BRIGHTNESS_CHANGED);
   double percent = static_cast<double>(level);
   HandleBrightnessChanged(percent, user_initiated);
 }
 
 void TrayBrightness::HandleBrightnessChanged(double percent,
                                              bool user_initiated) {
   current_percent_ = percent;
   got_current_percent_ = true;
 
   if (brightness_view_)
     brightness_view_->SetBrightnessPercent(percent);
   if (!user_initiated)
     return;
 
   if (brightness_view_)
     SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
   else
     PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
 }
 
 }  // namespace internal
 }  // namespace ash