replace OVERRIDE and FINAL with override and final in ash/

ash/display/screen_ash.h

Index: ash/display/screen_ash.h
diff --git a/ash/display/screen_ash.h b/ash/display/screen_ash.h
index c5f4b85b8b7262f4289fda0e9853b09b5e9325a5..8b0cb2cbdc34d5b151e2a5cdf8d5d7dfd349571d 100644
--- a/ash/display/screen_ash.h
+++ b/ash/display/screen_ash.h
@@ -61,22 +61,22 @@ class ASH_EXPORT ScreenAsh : public gfx::Screen {
   static const gfx::Display& GetDisplayForId(int64 display_id);
 
   // gfx::Screen overrides:
-  virtual bool IsDIPEnabled() OVERRIDE;
-  virtual gfx::Point GetCursorScreenPoint() OVERRIDE;
-  virtual gfx::NativeWindow GetWindowUnderCursor() OVERRIDE;
+  virtual bool IsDIPEnabled() override;
+  virtual gfx::Point GetCursorScreenPoint() override;
+  virtual gfx::NativeWindow GetWindowUnderCursor() override;
   virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point)
-      OVERRIDE;
-  virtual int GetNumDisplays() const OVERRIDE;
-  virtual std::vector<gfx::Display> GetAllDisplays() const OVERRIDE;
+      override;
+  virtual int GetNumDisplays() const override;
+  virtual std::vector<gfx::Display> GetAllDisplays() const override;
   virtual gfx::Display GetDisplayNearestWindow(
-      gfx::NativeView view) const OVERRIDE;
+      gfx::NativeView view) const override;
   virtual gfx::Display GetDisplayNearestPoint(
-      const gfx::Point& point) const OVERRIDE;
+      const gfx::Point& point) const override;
   virtual gfx::Display GetDisplayMatching(
-      const gfx::Rect& match_rect) const OVERRIDE;
-  virtual gfx::Display GetPrimaryDisplay() const OVERRIDE;
-  virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE;
-  virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE;
+      const gfx::Rect& match_rect) const override;
+  virtual gfx::Display GetPrimaryDisplay() const override;
+  virtual void AddObserver(gfx::DisplayObserver* observer) override;
+  virtual void RemoveObserver(gfx::DisplayObserver* observer) override;
 
  private:
   friend class DisplayManager;