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

ash/system/power/tray_power_date.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/power/tray_power_date.h"
 
 #include "ash/shell.h"
 #include "ash/system/power/power_supply_status.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/i18n/time_formatting.h"
@@ skipping 216 matching lines @@
 }  // namespace tray
 
 TrayPowerDate::TrayPowerDate()
     : power_(NULL),
       power_tray_(NULL) {
 }
 
 TrayPowerDate::~TrayPowerDate() {
 }
 
-views::View* TrayPowerDate::CreateTrayView() {
+views::View* TrayPowerDate::CreateTrayView(user::LoginStatus status) {
   date_tray_.reset(new tray::DateView(base::k24HourClock,
                                       tray::DateView::TIME));
   date_tray_->SetFont(date_tray_->font().DeriveFont(-1, gfx::Font::BOLD));
   date_tray_->SetAutoColorReadabilityEnabled(false);
   date_tray_->SetEnabledColor(SK_ColorWHITE);
 
   power_tray_.reset(new tray::PowerTrayView());
 
   views::View* container = new views::View;
   container->SetLayoutManager(new views::BoxLayout(
         views::BoxLayout::kHorizontal, 0, 0, 0));
   container->AddChildView(power_tray_.get());
   container->AddChildView(date_tray_.get());
 
   return container;
 }
 
-views::View* TrayPowerDate::CreateDefaultView() {
+views::View* TrayPowerDate::CreateDefaultView(user::LoginStatus status) {
   date_.reset(new tray::DateView(base::k24HourClock,
                                  tray::DateView::DATE));
   power_.reset(new tray::PowerPopupView());
 
   views::View* container = new views::View;
   views::BoxLayout* layout = new
       views::BoxLayout(views::BoxLayout::kHorizontal, 0, 10, 0);
   layout->set_spread_blank_space(true);
   container->SetLayoutManager(layout);
   container->set_background(views::Background::CreateSolidBackground(
       SkColorSetARGB(255, 240, 240, 240)));
   container->AddChildView(date_.get());
   container->AddChildView(power_.get());
   return container;
 }
 
-views::View* TrayPowerDate::CreateDetailedView() {
+views::View* TrayPowerDate::CreateDetailedView(user::LoginStatus status) {
   return NULL;
 }
 
 void TrayPowerDate::DestroyTrayView() {
   date_tray_.reset();
   power_tray_.reset();
 }
 
 void TrayPowerDate::DestroyDefaultView() {
   date_.reset();
   power_.reset();
 }
 
 void TrayPowerDate::DestroyDetailedView() {
 }
 
 void TrayPowerDate::OnPowerStatusChanged(const PowerSupplyStatus& status) {
   power_tray_->UpdatePowerStatus(status);
   if (power_.get())
     power_->UpdatePowerStatus(status);
 }
 
 }  // namespace internal
 }  // namespace ash