Standardize usage of virtual/override/final specifiers.

ash/system/bluetooth/tray_bluetooth.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/bluetooth/tray_bluetooth.h"
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/system/tray/fixed_sized_scroll_view.h"
 #include "ash/system/tray/hover_highlight_view.h"
@@ skipping 53 matching lines @@
 
 class BluetoothDefaultView : public TrayItemMore {
  public:
   BluetoothDefaultView(SystemTrayItem* owner, bool show_more)
       : TrayItemMore(owner, show_more) {
     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
     SetImage(bundle.GetImageNamed(IDR_AURA_UBER_TRAY_BLUETOOTH).ToImageSkia());
     UpdateLabel();
   }
 
-  virtual ~BluetoothDefaultView() {}
+  ~BluetoothDefaultView() override {}
 
   void UpdateLabel() {
     ash::SystemTrayDelegate* delegate =
         ash::Shell::GetInstance()->system_tray_delegate();
     if (delegate->GetBluetoothAvailable()) {
       ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
       const base::string16 label =
           rb.GetLocalizedString(delegate->GetBluetoothEnabled() ?
               IDS_ASH_STATUS_TRAY_BLUETOOTH_ENABLED :
               IDS_ASH_STATUS_TRAY_BLUETOOTH_DISABLED);
@@ skipping 15 matching lines @@
  public:
   BluetoothDetailedView(SystemTrayItem* owner, user::LoginStatus login)
       : TrayDetailsView(owner),
         login_(login),
         manage_devices_(NULL),
         toggle_bluetooth_(NULL),
         enable_bluetooth_(NULL) {
     CreateItems();
   }
 
-  virtual ~BluetoothDetailedView() {
+  ~BluetoothDetailedView() override {
     // Stop discovering bluetooth devices when exiting BT detailed view.
     BluetoothStopDiscovering();
   }
 
   void Update() {
     BluetoothStartDiscovering();
     UpdateBluetoothDeviceList();
 
     // Update UI.
     UpdateDeviceScrollList();
@@ skipping 229 matching lines @@
 
       item_container->RemoveAllChildViews(true);
       static_cast<HoverHighlightView*>(item_container)->
           AddCheckableLabel(display_name, gfx::Font::BOLD, false);
       scroll_content()->SizeToPreferredSize();
       static_cast<views::View*>(scroller())->Layout();
     }
   }
 
   // Overridden from ViewClickListener.
-  virtual void OnViewClicked(views::View* sender) override {
+  void OnViewClicked(views::View* sender) override {
     ash::SystemTrayDelegate* delegate =
         ash::Shell::GetInstance()->system_tray_delegate();
     if (sender == footer()->content()) {
       TransitionToDefaultView();
     } else if (sender == manage_devices_) {
       delegate->ManageBluetoothDevices();
     } else if (sender == enable_bluetooth_) {
       Shell::GetInstance()->metrics()->RecordUserMetricsAction(
           delegate->GetBluetoothEnabled() ?
           ash::UMA_STATUS_AREA_BLUETOOTH_DISABLED :
           ash::UMA_STATUS_AREA_BLUETOOTH_ENABLED);
       delegate->ToggleBluetooth();
     } else {
       if (!delegate->GetBluetoothEnabled())
         return;
       std::map<views::View*, std::string>::iterator find;
       find = device_map_.find(sender);
       if (find == device_map_.end())
         return;
       std::string device_id = find->second;
       if (FoundDevice(device_id, connecting_devices_, NULL))
         return;
       UpdateClickedDevice(device_id, sender);
       delegate->ConnectToBluetoothDevice(device_id);
     }
   }
 
   // Overridden from ButtonListener.
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override {
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override {
     ash::SystemTrayDelegate* delegate =
         ash::Shell::GetInstance()->system_tray_delegate();
     if (sender == toggle_bluetooth_)
       delegate->ToggleBluetooth();
     else
       NOTREACHED();
   }
 
   user::LoginStatus login_;
 
@@ skipping 66 matching lines @@
     detailed_->Update();
 }
 
 void TrayBluetooth::OnBluetoothDiscoveringChanged() {
   if (!detailed_)
     return;
   detailed_->Update();
 }
 
 }  // namespace ash