replace OVERRIDE and FINAL with override and final in ash/

ash/display/display_change_observer_chromeos.h

Index: ash/display/display_change_observer_chromeos.h
diff --git a/ash/display/display_change_observer_chromeos.h b/ash/display/display_change_observer_chromeos.h
index 2edcf9c9e98b15f4325229788244bcf2aa110447..905db78b324296c46d978a231da9e6f42d16ca9b 100644
--- a/ash/display/display_change_observer_chromeos.h
+++ b/ash/display/display_change_observer_chromeos.h
@@ -37,19 +37,19 @@ class DisplayChangeObserver : public ui::DisplayConfigurator::StateController,
 
   // ui::DisplayConfigurator::StateController overrides:
   virtual ui::MultipleDisplayState GetStateForDisplayIds(
-      const std::vector<int64>& outputs) const OVERRIDE;
+      const std::vector<int64>& outputs) const override;
   virtual bool GetResolutionForDisplayId(int64 display_id,
-                                         gfx::Size* size) const OVERRIDE;
+                                         gfx::Size* size) const override;
 
   // Overriden from ui::DisplayConfigurator::Observer:
   virtual void OnDisplayModeChanged(
-      const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE;
+      const ui::DisplayConfigurator::DisplayStateList& outputs) override;
 
   // Overriden from ui::InputDeviceEventObserver:
-  virtual void OnInputDeviceConfigurationChanged() OVERRIDE;
+  virtual void OnInputDeviceConfigurationChanged() override;
 
   // Overriden from ShellObserver:
-  virtual void OnAppTerminating() OVERRIDE;
+  virtual void OnAppTerminating() override;
 
   // Exposed for testing.
   ASH_EXPORT static float FindDeviceScaleFactor(float dpi);