replace OVERRIDE and FINAL with override and final in ash/

ash/wm/video_detector.h

Index: ash/wm/video_detector.h
diff --git a/ash/wm/video_detector.h b/ash/wm/video_detector.h
index d50f9f3188d4cf9f224aa5e1162813fe873cd639..41139df20e0472e77d09886e47d2cb3ba9d16b42 100644
--- a/ash/wm/video_detector.h
+++ b/ash/wm/video_detector.h
@@ -66,15 +66,15 @@ class ASH_EXPORT VideoDetector : public aura::EnvObserver,
   void RemoveObserver(VideoDetectorObserver* observer);
 
   // EnvObserver overrides.
-  virtual void OnWindowInitialized(aura::Window* window) OVERRIDE;
+  virtual void OnWindowInitialized(aura::Window* window) override;
 
   // WindowObserver overrides.
   virtual void OnDelegatedFrameDamage(aura::Window* window,
-                                      const gfx::Rect& region) OVERRIDE;
-  virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
+                                      const gfx::Rect& region) override;
+  virtual void OnWindowDestroyed(aura::Window* window) override;
 
   // ShellObserver overrides.
-  virtual void OnAppTerminating() OVERRIDE;
+  virtual void OnAppTerminating() override;
 
  private:
   class WindowInfo;