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

chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc

Index: chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc b/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
index 7e6bc7e2c989601150a3f44e36f619b6b0a8906f..6b6f18036c1b6fcc0a4afb289bc2ae131c0a684f 100644
--- a/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc
@@ -36,21 +36,19 @@ class CertificateManagerDialogHTMLSource : public content::URLDataSource {
       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 ~CertificateManagerDialogHTMLSource() {}
+  ~CertificateManagerDialogHTMLSource() override {}
 
  private:
   scoped_ptr<base::DictionaryValue> localized_strings_;