ash uber tray: Allow customizing each item depending on whether the user is logged in or not.

ash/system/audio/tray_volume.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/audio/tray_volume.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
@@ skipping 130 matching lines @@
 };
 
 }  // namespace tray
 
 TrayVolume::TrayVolume() {
 }
 
 TrayVolume::~TrayVolume() {
 }
 
-views::View* TrayVolume::CreateTrayView() {
+views::View* TrayVolume::CreateTrayView(user::LoginStatus status) {
   return NULL;
 }
 
-views::View* TrayVolume::CreateDefaultView() {
+views::View* TrayVolume::CreateDefaultView(user::LoginStatus status) {
   volume_view_.reset(new tray::VolumeView);
   return volume_view_.get();
 }
 
-views::View* TrayVolume::CreateDetailedView() {
+views::View* TrayVolume::CreateDetailedView(user::LoginStatus status) {
   volume_view_.reset(new tray::VolumeView);
   return volume_view_.get();
 }
 
 void TrayVolume::DestroyTrayView() {
 }
 
 void TrayVolume::DestroyDefaultView() {
   volume_view_.reset();
 }
 
 void TrayVolume::DestroyDetailedView() {
   volume_view_.reset();
 }
 
 void TrayVolume::OnVolumeChanged(float percent) {
   if (volume_view_.get()) {
     volume_view_->SetVolumeLevel(percent);
     return;
   }
 
   PopupDetailedView();
 }
 
 }  // namespace internal
 }  // namespace ash