change newly added OVERRIDE to override in ash/

ash/system/tray/tray_details_view_unittest.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/system/tray/tray_details_view.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_widget.h"
@@ skipping 98 matching lines @@
     tray->AddTrayItem(test_item);
     tray->ShowDefaultView(BUBBLE_CREATE_NEW);
     RunAllPendingInMessageLoop();
     tray->ShowDetailedView(test_item, 0, true, BUBBLE_USE_EXISTING);
     RunAllPendingInMessageLoop();
 
     return static_cast<HoverHighlightView*>(test_item->detailed_view()->
         footer()->content());
   }
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableTouchFeedback);
     test::AshTestBase::SetUp();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TrayDetailsViewTest);
 };
 
 TEST_F(TrayDetailsViewTest, TransitionToDefaultViewTest) {
@@ skipping 79 matching lines @@
   EXPECT_FALSE(view->hover());
 
   generator.set_current_location(move_point);
   generator.ReleaseTouch();
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(view->hover());
 }
 
 }  // namespace test
 }  // namespace ash