replace OVERRIDE and FINAL with override and final in ash/

ash/display/display_controller.h

Index: ash/display/display_controller.h
diff --git a/ash/display/display_controller.h b/ash/display/display_controller.h
index a656d54d5c1f54f6395945161e0c0b0f784f2180..ec65fe0813b779e34d176a1b219770761d141fdd 100644
--- a/ash/display/display_controller.h
+++ b/ash/display/display_controller.h
@@ -144,20 +144,20 @@ class ASH_EXPORT DisplayController : public gfx::DisplayObserver,
   bool UpdateWorkAreaOfDisplayNearestWindow(const aura::Window* window,
                                             const gfx::Insets& insets);
   // gfx::DisplayObserver overrides:
-  virtual void OnDisplayAdded(const gfx::Display& display) OVERRIDE;
-  virtual void OnDisplayRemoved(const gfx::Display& display) OVERRIDE;
+  virtual void OnDisplayAdded(const gfx::Display& display) override;
+  virtual void OnDisplayRemoved(const gfx::Display& display) override;
   virtual void OnDisplayMetricsChanged(const gfx::Display& display,
-                                       uint32_t metrics) OVERRIDE;
+                                       uint32_t metrics) override;
 
   // aura::WindowTreeHostObserver overrides:
-  virtual void OnHostResized(const aura::WindowTreeHost* host) OVERRIDE;
+  virtual void OnHostResized(const aura::WindowTreeHost* host) override;
 
   // aura::DisplayManager::Delegate overrides:
   virtual void CreateOrUpdateNonDesktopDisplay(const DisplayInfo& info)
-      OVERRIDE;
-  virtual void CloseNonDesktopDisplay() OVERRIDE;
-  virtual void PreDisplayConfigurationChange(bool clear_focus) OVERRIDE;
-  virtual void PostDisplayConfigurationChange() OVERRIDE;
+      override;
+  virtual void CloseNonDesktopDisplay() override;
+  virtual void PreDisplayConfigurationChange(bool clear_focus) override;
+  virtual void PostDisplayConfigurationChange() override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(DisplayControllerTest, BoundsUpdated);