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

chrome/browser/ui/webui/ntp/favicon_webui_handler.h

Index: chrome/browser/ui/webui/ntp/favicon_webui_handler.h
diff --git a/chrome/browser/ui/webui/ntp/favicon_webui_handler.h b/chrome/browser/ui/webui/ntp/favicon_webui_handler.h
index 917bfd380011317e6adfb55410c62085f7e472eb..6d0e29dbb5c5d33c60ac2e0a39fb8bdbd90aaf8c 100644
--- a/chrome/browser/ui/webui/ntp/favicon_webui_handler.h
+++ b/chrome/browser/ui/webui/ntp/favicon_webui_handler.h
@@ -23,10 +23,10 @@ class ListValue;
 class FaviconWebUIHandler : public content::WebUIMessageHandler {
  public:
   FaviconWebUIHandler();
-  virtual ~FaviconWebUIHandler();
+  ~FaviconWebUIHandler() override;
 
   // WebUIMessageHandler
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // Called from the JS to get the dominant color of a favicon. The first
   // argument is a favicon URL, the second is the ID of the DOM node that is