replace OVERRIDE and FINAL with override and final in ash/

ash/system/chromeos/network/network_state_notifier_unittest.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/chromeos/network/network_state_notifier.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/network/network_connect.h"
@@ skipping 22 matching lines @@
 using chromeos::ShillServiceClient;
 
 namespace ash {
 namespace test {
 
 class NetworkStateNotifierTest : public AshTestBase {
  public:
   NetworkStateNotifierTest() {}
   virtual ~NetworkStateNotifierTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     DBusThreadManager::Initialize();
     chromeos::LoginState::Initialize();
     SetupDefaultShillState();
     chromeos::NetworkHandler::Initialize();
     RunAllPendingInMessageLoop();
     AshTestBase::SetUp();
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     AshTestBase::TearDown();
     chromeos::LoginState::Shutdown();
     chromeos::NetworkHandler::Shutdown();
     DBusThreadManager::Shutdown();
   }
 
  protected:
   void SetupDefaultShillState() {
     RunAllPendingInMessageLoop();
     ShillDeviceClient::TestInterface* device_test =
@@ skipping 34 matching lines @@
   RunAllPendingInMessageLoop();
   // Failure should spawn a notification.
   message_center::MessageCenter* message_center =
       message_center::MessageCenter::Get();
   EXPECT_TRUE(message_center->FindVisibleNotificationById(
       network_connect::kNetworkConnectNotificationId));
 }
 
 }  // namespace test
 }  // namespace ash