Update {virtual,override,final} to follow C++11 style chrome/browser/ui/webui/chromeos.

chrome/browser/ui/webui/chromeos/proxy_settings_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/chromeos/proxy_settings_ui.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
@@ skipping 15 matching lines @@
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace {
 
 class ProxySettingsHTMLSource : public content::URLDataSource {
  public:
   explicit ProxySettingsHTMLSource(base::DictionaryValue* localized_strings);
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() const override;
-  virtual void StartDataRequest(
+  std::string GetSource() const override;
+  void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback) override;
-  virtual std::string GetMimeType(const std::string&) const override {
+  std::string GetMimeType(const std::string&) const override {
     return "text/html";
   }
-  virtual bool ShouldAddContentSecurityPolicy() const override {
-    return false;
-  }
+  bool ShouldAddContentSecurityPolicy() const override { return false; }
 
  protected:
-  virtual ~ProxySettingsHTMLSource() {}
+  ~ProxySettingsHTMLSource() override {}
 
  private:
   scoped_ptr<base::DictionaryValue> localized_strings_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxySettingsHTMLSource);
 };
 
 ProxySettingsHTMLSource::ProxySettingsHTMLSource(
     base::DictionaryValue* localized_strings)
     : localized_strings_(localized_strings) {
@@ skipping 63 matching lines @@
   if (!initialized_handlers_) {
     core_handler_->InitializeHandler();
     proxy_handler_->InitializeHandler();
     initialized_handlers_ = true;
   }
   core_handler_->InitializePage();
   proxy_handler_->InitializePage();
 }
 
 }  // namespace chromeos