Standardize usage of virtual/override/final in net/

net/tools/net_watcher/net_watcher.cc

 // Copyright (c) 2012 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.
 
 // This is a small utility that watches for and logs network changes.
 
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/basictypes.h"
@@ skipping 70 matching lines @@
 // The main observer class that logs network events.
 class NetWatcher :
       public net::NetworkChangeNotifier::IPAddressObserver,
       public net::NetworkChangeNotifier::ConnectionTypeObserver,
       public net::NetworkChangeNotifier::DNSObserver,
       public net::NetworkChangeNotifier::NetworkChangeObserver,
       public net::ProxyConfigService::Observer {
  public:
   NetWatcher() {}
 
-  virtual ~NetWatcher() {}
+  ~NetWatcher() override {}
 
   // net::NetworkChangeNotifier::IPAddressObserver implementation.
-  virtual void OnIPAddressChanged() override {
-    LOG(INFO) << "OnIPAddressChanged()";
-  }
+  void OnIPAddressChanged() override { LOG(INFO) << "OnIPAddressChanged()"; }
 
   // net::NetworkChangeNotifier::ConnectionTypeObserver implementation.
-  virtual void OnConnectionTypeChanged(
+  void OnConnectionTypeChanged(
       net::NetworkChangeNotifier::ConnectionType type) override {
     LOG(INFO) << "OnConnectionTypeChanged("
               << ConnectionTypeToString(type) << ")";
   }
 
   // net::NetworkChangeNotifier::DNSObserver implementation.
-  virtual void OnDNSChanged() override {
-    LOG(INFO) << "OnDNSChanged()";
-  }
+  void OnDNSChanged() override { LOG(INFO) << "OnDNSChanged()"; }
 
   // net::NetworkChangeNotifier::NetworkChangeObserver implementation.
-  virtual void OnNetworkChanged(
+  void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) override {
     LOG(INFO) << "OnNetworkChanged("
               << ConnectionTypeToString(type) << ")";
   }
 
   // net::ProxyConfigService::Observer implementation.
-  virtual void OnProxyConfigChanged(
+  void OnProxyConfigChanged(
       const net::ProxyConfig& config,
       net::ProxyConfigService::ConfigAvailability availability) override {
     LOG(INFO) << "OnProxyConfigChanged("
               << ProxyConfigToString(config) << ", "
               << ConfigAvailabilityToString(availability) << ")";
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetWatcher);
 };
@@ skipping 63 matching lines @@
   proxy_config_service->RemoveObserver(&net_watcher);
 
   // Uses |network_change_notifier|.
   net::NetworkChangeNotifier::RemoveDNSObserver(&net_watcher);
   net::NetworkChangeNotifier::RemoveConnectionTypeObserver(&net_watcher);
   net::NetworkChangeNotifier::RemoveIPAddressObserver(&net_watcher);
   net::NetworkChangeNotifier::RemoveNetworkChangeObserver(&net_watcher);
 
   return 0;
 }