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

chrome/browser/ui/extensions/application_launch.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/extensions/application_launch.h"
 
 #include <string>
 
 #include "apps/launcher.h"
 #include "base/command_line.h"
@@ skipping 54 matching lines @@
                        chrome::HostDesktopType desktop_type,
                        const std::string& extension_id,
                        const base::Closure& callback)
       : service_(service),
         profile_(profile),
         desktop_type_(desktop_type),
         extension_id_(extension_id),
         callback_(callback) {
   }
 
-  virtual ~EnableViaAppListFlow() {
-  }
+  ~EnableViaAppListFlow() override {}
 
   void Run() {
     DCHECK(!service_->IsExtensionEnabled(extension_id_));
     flow_.reset(new ExtensionEnableFlow(profile_, extension_id_, this));
     flow_->StartForCurrentlyNonexistentWindow(
         base::Bind(&EnableViaAppListFlow::ShowAppList, base::Unretained(this)));
   }
 
  private:
   gfx::NativeWindow ShowAppList() {
     AppListService* app_list_service = AppListService::Get(desktop_type_);
     app_list_service->Show();
     return app_list_service->GetAppListWindow();
   }
 
   // ExtensionEnableFlowDelegate overrides.
-  virtual void ExtensionEnableFlowFinished() override {
+  void ExtensionEnableFlowFinished() override {
     const Extension* extension =
         service_->GetExtensionById(extension_id_, false);
     if (!extension)
       return;
     callback_.Run();
     delete this;
   }
 
-  virtual void ExtensionEnableFlowAborted(bool user_initiated) override {
-    delete this;
-  }
+  void ExtensionEnableFlowAborted(bool user_initiated) override { delete this; }
 
   ExtensionService* service_;
   Profile* profile_;
   chrome::HostDesktopType desktop_type_;
   std::string extension_id_;
   base::Closure callback_;
   scoped_ptr<ExtensionEnableFlow> flow_;
 
   DISALLOW_COPY_AND_ASSIGN(EnableViaAppListFlow);
 };
@@ skipping 341 matching lines @@
 
   // For extensions lacking launch urls, determine a reasonable fallback.
   if (!url.is_valid()) {
     url = extensions::OptionsPageInfo::GetOptionsPage(extension);
     if (!url.is_valid())
       url = GURL(chrome::kChromeUIExtensionsURL);
   }
 
   return url;
 }