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

chrome/browser/autofill/autofill_cc_infobar_delegate_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_cc_infobar_delegate.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
 #include "chrome/browser/ui/autofill/chrome_autofill_client.h"
@@ skipping 11 matching lines @@
 namespace {
 
 class TestPersonalDataManager : public PersonalDataManager {
  public:
   TestPersonalDataManager() : PersonalDataManager("en-US") {}
 
   using PersonalDataManager::set_database;
   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));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestPersonalDataManager);
 };
 
 }  // namespace
 
@@ skipping 95 matching lines @@
     scoped_ptr<ConfirmInfoBarDelegate> infobar(CreateDelegate());
 
     base::HistogramTester histogram_tester;
     infobar.reset();
     histogram_tester.ExpectUniqueSample("Autofill.CreditCardInfoBar",
                                         AutofillMetrics::INFOBAR_IGNORED, 1);
   }
 }
 
 }  // namespace autofill