replace OVERRIDE and FINAL with override and final in ash/

ash/first_run/desktop_cleaner.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/first_run/desktop_cleaner.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_observer.h"
@@ skipping 39 matching lines @@
     } else {
       container_->Show();
     }
     ui::Layer* layer = container_->layer();
     ui::ScopedLayerAnimationSettings animation_settings(layer->GetAnimator());
     layer->SetOpacity(1.0);
   }
 
  private:
   // Overriden from ui::ImplicitAnimationObserver.
-  virtual void OnImplicitAnimationsCompleted() OVERRIDE {
+  virtual void OnImplicitAnimationsCompleted() override {
     container_->Hide();
   }
 
   // Overriden from aura::WindowObserver.
-  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
+  virtual void OnWindowDestroying(aura::Window* window) override {
     DCHECK(window == container_);
     container_ = NULL;
   }
 
   const bool container_was_hidden_;
   aura::Window* container_;
 
   DISALLOW_COPY_AND_ASSIGN(ContainerHider);
 };
 
 class NotificationBlocker : public message_center::NotificationBlocker {
  public:
   NotificationBlocker()
       : message_center::NotificationBlocker(
             message_center::MessageCenter::Get()) {
     NotifyBlockingStateChanged();
   }
 
   virtual ~NotificationBlocker() {};
 
  private:
   // Overriden from message_center::NotificationBlocker.
   virtual bool ShouldShowNotificationAsPopup(
-      const message_center::NotifierId& notifier_id) const OVERRIDE {
+      const message_center::NotifierId& notifier_id) const override {
     return false;
   }
 
   DISALLOW_COPY_AND_ASSIGN(NotificationBlocker);
 };
 
 DesktopCleaner::DesktopCleaner() {
   // TODO(dzhioev): Add support for secondary displays.
   aura::Window* root_window = Shell::GetInstance()->GetPrimaryRootWindow();
   for (size_t i = 0; i < arraysize(kContainerIdsToHide); ++i) {
     aura::Window* container =
         Shell::GetContainer(root_window, kContainerIdsToHide[i]);
     container_hiders_.push_back(make_linked_ptr(new ContainerHider(container)));
   }
   notification_blocker_.reset(new NotificationBlocker());
 }
 
 DesktopCleaner::~DesktopCleaner() {}
 
 // static
 std::vector<int> DesktopCleaner::GetContainersToHideForTest() {
   return std::vector<int>(kContainerIdsToHide,
                           kContainerIdsToHide + arraysize(kContainerIdsToHide));
 }
 
 }  // namespace ash