Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/webui/options/certificate_manager_handler.h

Index: chrome/browser/ui/webui/options/certificate_manager_handler.h
diff --git a/chrome/browser/ui/webui/options/certificate_manager_handler.h b/chrome/browser/ui/webui/options/certificate_manager_handler.h
index dd4a1be217a49e0f95c23f4b6f8e0fb89133d06a..948c3bbaa9bdd26173ec0e5350967ce055dcf4d9 100644
--- a/chrome/browser/ui/webui/options/certificate_manager_handler.h
+++ b/chrome/browser/ui/webui/options/certificate_manager_handler.h
@@ -28,21 +28,20 @@ class CertificateManagerHandler
       public ui::SelectFileDialog::Listener {
  public:
   explicit CertificateManagerHandler(bool show_certs_in_modal_dialog);
-  virtual ~CertificateManagerHandler();
+  ~CertificateManagerHandler() override;
 
   // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) override;
-  virtual void RegisterMessages() override;
+  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
+  void RegisterMessages() override;
 
   // CertificateManagerModel::Observer implementation.
-  virtual void CertificatesRefreshed() override;
+  void CertificatesRefreshed() override;
 
   // SelectFileDialog::Listener implementation.
-  virtual void FileSelected(const base::FilePath& path,
-                            int index,
-                            void* params) override;
-  virtual void FileSelectionCanceled(void* params) override;
+  void FileSelected(const base::FilePath& path,
+                    int index,
+                    void* params) override;
+  void FileSelectionCanceled(void* params) override;
 
  private:
   // View certificate.