Update {virtual,override} to follow C++11 style in google_apis.

google_apis/gaia/gaia_oauth_client_unittest.cc

Index: google_apis/gaia/gaia_oauth_client_unittest.cc
diff --git a/google_apis/gaia/gaia_oauth_client_unittest.cc b/google_apis/gaia/gaia_oauth_client_unittest.cc
index 6197b894a9003054d57c33bfc99c76ae79db2838..56fdc9167819935a19e53011d99b0d7d789cb2f9 100644
--- a/google_apis/gaia/gaia_oauth_client_unittest.cc
+++ b/google_apis/gaia/gaia_oauth_client_unittest.cc
@@ -218,14 +218,14 @@ class MockGaiaOAuthClientDelegate : public gaia::GaiaOAuthClient::Delegate {
   // https://groups.google.com/a/chromium.org/d/msg/chromium-dev/01sDxsJ1OYw/I_S0xCBRF2oJ
   MOCK_METHOD1(OnGetUserInfoResponsePtr,
                void(const base::DictionaryValue* user_info));
-  virtual void OnGetUserInfoResponse(
+  void OnGetUserInfoResponse(
       scoped_ptr<base::DictionaryValue> user_info) override {
     user_info_.reset(user_info.release());
     OnGetUserInfoResponsePtr(user_info_.get());
   }
   MOCK_METHOD1(OnGetTokenInfoResponsePtr,
                void(const base::DictionaryValue* token_info));
-  virtual void OnGetTokenInfoResponse(
+  void OnGetTokenInfoResponse(
       scoped_ptr<base::DictionaryValue> token_info) override {
     token_info_.reset(token_info.release());
     OnGetTokenInfoResponsePtr(token_info_.get());