Standardize usage of virtual/override/final in google_apis/

google_apis/gaia/gaia_auth_fetcher.h

Index: google_apis/gaia/gaia_auth_fetcher.h
diff --git a/google_apis/gaia/gaia_auth_fetcher.h b/google_apis/gaia/gaia_auth_fetcher.h
index 4e745d3f6e77ccf77ba3eeb75defdb072de8048d..744c33feb188aa8a0236be698d0e3a65e9cffdc6 100644
--- a/google_apis/gaia/gaia_auth_fetcher.h
+++ b/google_apis/gaia/gaia_auth_fetcher.h
@@ -53,7 +53,7 @@ class GaiaAuthFetcher : public net::URLFetcherDelegate {
   GaiaAuthFetcher(GaiaAuthConsumer* consumer,
                   const std::string& source,
                   net::URLRequestContextGetter* getter);
-  virtual ~GaiaAuthFetcher();
+  ~GaiaAuthFetcher() override;
 
   // Start a request to obtain the SID and LSID cookies for the the account
   // identified by |username| and |password|.  If |service| is not null or
@@ -192,7 +192,7 @@ class GaiaAuthFetcher : public net::URLFetcherDelegate {
   void StartGetCheckConnectionInfo();
 
   // Implementation of net::URLFetcherDelegate
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // StartClientLogin been called && results not back yet?
   bool HasPendingFetch();