replace OVERRIDE and FINAL with override and final in ash/

ash/keyboard_overlay/keyboard_overlay_delegate.h

Index: ash/keyboard_overlay/keyboard_overlay_delegate.h
diff --git a/ash/keyboard_overlay/keyboard_overlay_delegate.h b/ash/keyboard_overlay/keyboard_overlay_delegate.h
index 91d7ddd3140799a8c19ca4ce6e6356bd5a5e0e16..d9f8cf2bb2b25d9a235584ec9ad15dcf370aa5bf 100644
--- a/ash/keyboard_overlay/keyboard_overlay_delegate.h
+++ b/ash/keyboard_overlay/keyboard_overlay_delegate.h
@@ -29,7 +29,7 @@ class ASH_WITH_CONTENT_EXPORT KeyboardOverlayDelegate
   views::Widget* Show(views::WebDialogView* view);
 
   // Overridden from ui::WebDialogDelegate:
-  virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
+  virtual void GetDialogSize(gfx::Size* size) const override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(KeyboardOverlayDelegateTest, ShowAndClose);
@@ -37,18 +37,18 @@ class ASH_WITH_CONTENT_EXPORT KeyboardOverlayDelegate
   virtual ~KeyboardOverlayDelegate();
 
   // Overridden from ui::WebDialogDelegate:
-  virtual ui::ModalType GetDialogModalType() const OVERRIDE;
-  virtual base::string16 GetDialogTitle() const OVERRIDE;
-  virtual GURL GetDialogContentURL() const OVERRIDE;
+  virtual ui::ModalType GetDialogModalType() const override;
+  virtual base::string16 GetDialogTitle() const override;
+  virtual GURL GetDialogContentURL() const override;
   virtual void GetWebUIMessageHandlers(
-      std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
-  virtual std::string GetDialogArgs() const OVERRIDE;
-  virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
+      std::vector<content::WebUIMessageHandler*>* handlers) const override;
+  virtual std::string GetDialogArgs() const override;
+  virtual void OnDialogClosed(const std::string& json_retval) override;
   virtual void OnCloseContents(content::WebContents* source,
-                               bool* out_close_dialog) OVERRIDE;
-  virtual bool ShouldShowDialogTitle() const OVERRIDE;
+                               bool* out_close_dialog) override;
+  virtual bool ShouldShowDialogTitle() const override;
   virtual bool HandleContextMenu(
-      const content::ContextMenuParams& params) OVERRIDE;
+      const content::ContextMenuParams& params) override;
 
   // The dialog title.
   base::string16 title_;