Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/webui/nacl_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/nacl_ui.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 54 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 //
 // NaClDomHandler
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 // The handler for JavaScript messages for the about:flags page.
 class NaClDomHandler : public WebUIMessageHandler {
  public:
   NaClDomHandler();
-  virtual ~NaClDomHandler();
+  ~NaClDomHandler() override;
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
  private:
   // Callback for the "requestNaClInfo" message.
   void HandleRequestNaClInfo(const base::ListValue* args);
 
   // Callback for the NaCl plugin information.
   void OnGotPlugins(const std::vector<content::WebPluginInfo>& plugins);
 
   // A helper callback that receives the result of checking if PNaCl path
   // exists and checking the PNaCl |version|. |is_valid| is true if the PNaCl
@@ skipping 293 matching lines @@
 
 NaClUI::NaClUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   content::RecordAction(UserMetricsAction("ViewAboutNaCl"));
 
   web_ui->AddMessageHandler(new NaClDomHandler());
 
   // Set up the about:nacl source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateNaClUIHTMLSource());
 }