Standardize usage of virtual/override/final specifiers.

content/browser/web_contents/aura/overscroll_navigation_overlay.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_NAVIGATION_OVERLAY_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_NAVIGATION_OVERLAY_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "content/browser/web_contents/aura/window_slider.h"
@@ skipping 11 matching lines @@
 // When a history navigation is triggered at the end of an overscroll
 // navigation, it is necessary to show the history-screenshot until the page is
 // done navigating and painting. This class accomplishes this by showing the
 // screenshot window on top of the page until the page has completed loading and
 // painting.
 class CONTENT_EXPORT OverscrollNavigationOverlay
     : public WebContentsObserver,
       public WindowSlider::Delegate {
  public:
   explicit OverscrollNavigationOverlay(WebContentsImpl* web_contents);
-  virtual ~OverscrollNavigationOverlay();
+  ~OverscrollNavigationOverlay() override;
 
   bool has_window() const { return !!window_.get(); }
 
   // Resets state and starts observing |web_contents_| for page load/paint
   // updates. This function makes sure that the screenshot window is stacked
   // on top, so that it hides the content window behind it, and destroys the
   // screenshot window when the page is done loading/painting.
   // This should be called immediately after initiating the navigation,
   // otherwise the overlay may be dismissed prematurely.
   void StartObserving();
@@ skipping 27 matching lines @@
   // Stop observing the page and start the final overlay fade-out animation if
   // a window-slide isn't in progress and either the page has been painted or
   // the page-load has completed.
   void StopObservingIfDone();
 
   // Creates a layer to be used for window-slide. |offset| is the offset of the
   // NavigationEntry for the screenshot image to display.
   ui::Layer* CreateSlideLayer(int offset);
 
   // Overridden from WindowSlider::Delegate:
-  virtual ui::Layer* CreateBackLayer() override;
-  virtual ui::Layer* CreateFrontLayer() override;
-  virtual void OnWindowSlideCompleting() override;
-  virtual void OnWindowSlideCompleted(scoped_ptr<ui::Layer> layer) override;
-  virtual void OnWindowSlideAborted() override;
-  virtual void OnWindowSliderDestroyed() override;
+  ui::Layer* CreateBackLayer() override;
+  ui::Layer* CreateFrontLayer() override;
+  void OnWindowSlideCompleting() override;
+  void OnWindowSlideCompleted(scoped_ptr<ui::Layer> layer) override;
+  void OnWindowSlideAborted() override;
+  void OnWindowSliderDestroyed() override;
 
   // Overridden from WebContentsObserver:
-  virtual void DidFirstVisuallyNonEmptyPaint() override;
-  virtual void DidStopLoading(RenderViewHost* host) override;
+  void DidFirstVisuallyNonEmptyPaint() override;
+  void DidStopLoading(RenderViewHost* host) override;
 
   // The WebContents which is being navigated.
   WebContentsImpl* web_contents_;
 
   // The screenshot overlay window.
   scoped_ptr<aura::Window> window_;
 
   // This is the WindowDelegate of |window_|. The delegate manages its own
   // lifetime (destroys itself when |window_| is destroyed).
   ImageWindowDelegate* image_delegate_;
@@ skipping 19 matching lines @@
 
   // The LayerDelegate used for the back/front layers during a slide.
   scoped_ptr<ImageLayerDelegate> layer_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscrollNavigationOverlay);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_NAVIGATION_OVERLAY_H_