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

components/autofill/content/browser/wallet/mock_wallet_client.h

 // Copyright 2013 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.
 
 #ifndef COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_MOCK_WALLET_CLIENT_H_
 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_MOCK_WALLET_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/autofill/content/browser/wallet/instrument.h"
 #include "components/autofill/content/browser/wallet/wallet_address.h"
 #include "components/autofill/content/browser/wallet/wallet_client.h"
 #include "components/autofill/content/browser/wallet/wallet_items.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace autofill {
 namespace wallet {
 
 // A mock version of WalletClient that never issues real requests, just records
 // mock calls to each entry point.
 class MockWalletClient : public WalletClient {
  public:
   MockWalletClient(net::URLRequestContextGetter* context,
                    WalletClientDelegate* delegate,
                    const GURL& source_url);
-  virtual ~MockWalletClient();
+  ~MockWalletClient() override;
 
   MOCK_METHOD2(GetWalletItems,
       void(const base::string16&, const base::string16&));
 
   MOCK_METHOD2(AcceptLegalDocuments,
       void(const std::vector<WalletItems::LegalDocument*>& documents,
            const std::string& google_transaction_id));
 
   MOCK_METHOD2(AuthenticateInstrument,
       void(const std::string& instrument_id,
            const std::string& card_verification_number));
 
   MOCK_METHOD1(GetFullWallet,
       void(const WalletClient::FullWalletRequest& request));
 
   // Methods with scoped_ptrs can't be mocked but by using the implementation
   // below the same effect can be achieved.
-  virtual void SaveToWallet(
+  void SaveToWallet(
       scoped_ptr<Instrument> instrument,
       scoped_ptr<Address> address,
       const WalletItems::MaskedInstrument* reference_instrument,
       const Address* reference_address) override;
 
   MOCK_METHOD4(SaveToWalletMock,
       void(Instrument* instrument,
            Address* address,
            const WalletItems::MaskedInstrument* reference_instrument,
            const Address* reference_address));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWalletClient);
 };
 
 }  // namespace wallet
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_MOCK_WALLET_CLIENT_H_