replace OVERRIDE and FINAL with override and final in ash/

ash/display/display_configurator_animation.cc

Index: ash/display/display_configurator_animation.cc
diff --git a/ash/display/display_configurator_animation.cc b/ash/display/display_configurator_animation.cc
index 300556bbdd90b6497441da0f595591d5283064a9..a376568e783e2904e6870e02cb86f775e5f3aff5 100644
--- a/ash/display/display_configurator_animation.cc
+++ b/ash/display/display_configurator_animation.cc
@@ -64,19 +64,19 @@ class CallbackRunningObserver {
    protected:
     // ui::LayerAnimationObserver overrides:
     virtual void OnLayerAnimationEnded(
-        ui::LayerAnimationSequence* sequence) OVERRIDE {
+        ui::LayerAnimationSequence* sequence) override {
       animator_->RemoveObserver(this);
       observer_->OnSingleTaskCompleted();
     }
     virtual void OnLayerAnimationAborted(
-        ui::LayerAnimationSequence* sequence) OVERRIDE {
+        ui::LayerAnimationSequence* sequence) override {
       animator_->RemoveObserver(this);
       observer_->OnSingleTaskAborted();
     }
     virtual void OnLayerAnimationScheduled(
-        ui::LayerAnimationSequence* sequence) OVERRIDE {
+        ui::LayerAnimationSequence* sequence) override {
     }
-    virtual bool RequiresNotificationWhenAnimatorDestroyed() const OVERRIDE {
+    virtual bool RequiresNotificationWhenAnimatorDestroyed() const override {
       return true;
     }