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

chrome/browser/local_discovery/test_service_discovery_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 CHROME_BROWSER_LOCAL_DISCOVERY_TEST_SERVICE_DISCOVERY_CLIENT_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_TEST_SERVICE_DISCOVERY_CLIENT_H_
 
 #include "chrome/browser/local_discovery/service_discovery_shared_client.h"
 #include "chrome/common/local_discovery/service_discovery_client.h"
 #include "net/dns/mdns_client.h"
 #include "net/dns/mock_mdns_socket_factory.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace local_discovery {
 
 class TestServiceDiscoveryClient : public ServiceDiscoverySharedClient {
  public:
   TestServiceDiscoveryClient();
 
   void Start();
 
-  virtual scoped_ptr<ServiceWatcher> CreateServiceWatcher(
+  scoped_ptr<ServiceWatcher> CreateServiceWatcher(
       const std::string& service_type,
       const ServiceWatcher::UpdatedCallback& callback) override;
-  virtual scoped_ptr<ServiceResolver> CreateServiceResolver(
+  scoped_ptr<ServiceResolver> CreateServiceResolver(
       const std::string& service_name,
       const ServiceResolver::ResolveCompleteCallback& callback) override;
-  virtual scoped_ptr<LocalDomainResolver> CreateLocalDomainResolver(
+  scoped_ptr<LocalDomainResolver> CreateLocalDomainResolver(
       const std::string& domain,
       net::AddressFamily address_family,
       const LocalDomainResolver::IPAddressCallback& callback) override;
 
   MOCK_METHOD1(OnSendTo, void(const std::string& data));
 
   void SimulateReceive(const uint8* packet, int size);
 
  private:
-  ~TestServiceDiscoveryClient();
+  ~TestServiceDiscoveryClient() override;
 
   // Owned by mdns_client_impl_.
   net::MockMDnsSocketFactory mock_socket_factory_;
   scoped_ptr<net::MDnsClient> mdns_client_;
   scoped_ptr<ServiceDiscoveryClient> service_discovery_client_impl_;
 };
 
 }  // namespace local_discovery
 
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_TEST_SERVICE_DISCOVERY_CLIENT_H_