Standardize usage of virtual/override/final in components/

components/search_engines/template_url_fetcher.cc

Index: components/search_engines/template_url_fetcher.cc
diff --git a/components/search_engines/template_url_fetcher.cc b/components/search_engines/template_url_fetcher.cc
index 3423939869231f75041b49062bcfdc7941ab021f..542e475112e58f1e110d86223f5dc620a01ec178 100644
--- a/components/search_engines/template_url_fetcher.cc
+++ b/components/search_engines/template_url_fetcher.cc
@@ -32,7 +32,7 @@ class TemplateURLFetcher::RequestDelegate : public net::URLFetcherDelegate {
   // net::URLFetcherDelegate:
   // If data contains a valid OSDD, a TemplateURL is created and added to
   // the TemplateURLService.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // URL of the OSDD.
   GURL url() const { return osdd_url_; }