replace OVERRIDE and FINAL with override and final in ash/

ash/test/test_shelf_delegate.h

Index: ash/test/test_shelf_delegate.h
diff --git a/ash/test/test_shelf_delegate.h b/ash/test/test_shelf_delegate.h
index 78fe5e539dad4becd9c63ab3922f9294809d5506..738c2271fde00baea56cd578faf6589d69ab6a3d 100644
--- a/ash/test/test_shelf_delegate.h
+++ b/ash/test/test_shelf_delegate.h
@@ -32,19 +32,19 @@ class TestShelfDelegate : public ShelfDelegate, public aura::WindowObserver {
   static TestShelfDelegate* instance() { return instance_; }
 
   // WindowObserver implementation
-  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
+  virtual void OnWindowDestroying(aura::Window* window) override;
   virtual void OnWindowHierarchyChanging(
-      const HierarchyChangeParams& params) OVERRIDE;
+      const HierarchyChangeParams& params) override;
 
   // ShelfDelegate implementation.
-  virtual void OnShelfCreated(Shelf* shelf) OVERRIDE;
-  virtual void OnShelfDestroyed(Shelf* shelf) OVERRIDE;
-  virtual ShelfID GetShelfIDForAppID(const std::string& app_id) OVERRIDE;
-  virtual const std::string& GetAppIDForShelfID(ShelfID id) OVERRIDE;
-  virtual void PinAppWithID(const std::string& app_id) OVERRIDE;
-  virtual bool CanPin() const OVERRIDE;
-  virtual bool IsAppPinned(const std::string& app_id) OVERRIDE;
-  virtual void UnpinAppWithID(const std::string& app_id) OVERRIDE;
+  virtual void OnShelfCreated(Shelf* shelf) override;
+  virtual void OnShelfDestroyed(Shelf* shelf) override;
+  virtual ShelfID GetShelfIDForAppID(const std::string& app_id) override;
+  virtual const std::string& GetAppIDForShelfID(ShelfID id) override;
+  virtual void PinAppWithID(const std::string& app_id) override;
+  virtual bool CanPin() const override;
+  virtual bool IsAppPinned(const std::string& app_id) override;
+  virtual void UnpinAppWithID(const std::string& app_id) override;
 
  private:
   static TestShelfDelegate* instance_;