Standardize usage of virtual/override/final in content/

content/public/browser/render_view_host.h

 // Copyright (c) 2012 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_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 
 #include <list>
 
 #include "base/callback_forward.h"
@@ skipping 49 matching lines @@
 class CONTENT_EXPORT RenderViewHost : virtual public RenderWidgetHost {
  public:
   // Returns the RenderViewHost given its ID and the ID of its render process.
   // Returns NULL if the IDs do not correspond to a live RenderViewHost.
   static RenderViewHost* FromID(int render_process_id, int render_view_id);
 
   // Downcasts from a RenderWidgetHost to a RenderViewHost.  Required
   // because RenderWidgetHost is a virtual base class.
   static RenderViewHost* From(RenderWidgetHost* rwh);
 
-  virtual ~RenderViewHost() {}
+  ~RenderViewHost() override {}
 
   // Returns the main frame for this render view.
   virtual RenderFrameHost* GetMainFrame() = 0;
 
   // Tell the render view to enable a set of javascript bindings. The argument
   // should be a combination of values from BindingsPolicy.
   virtual void AllowBindings(int binding_flags) = 0;
 
   // Tells the renderer to clear the focused element (if any).
   virtual void ClearFocusedElement() = 0;
@@ skipping 145 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderViewHostImpl;
   RenderViewHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_