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

chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc

Index: chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc
diff --git a/chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc b/chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc
index adc41d3f1565fddd703609f5ba170079eb622c9d..50f86423505da36b2df52979178fb707a5a48f14 100644
--- a/chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc
+++ b/chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc
@@ -29,8 +29,8 @@ class TestPersonalDataManager : public PersonalDataManager {
   using PersonalDataManager::SetPrefService;
 
   // Overridden to avoid a trip to the database.
-  virtual void LoadProfiles() override {}
-  virtual void LoadCreditCards() override {}
+  void LoadProfiles() override {}
+  void LoadCreditCards() override {}
 
   MOCK_METHOD1(SaveImportedCreditCard,
                std::string(const CreditCard& imported_credit_card));