Add OVERRIDE to chrome/browser/.

chrome/browser/debugger/devtools_protocol_handler.h

 // Copyright (c) 2011 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_DEBUGGER_DEVTOOLS_PROTOCOL_HANDLER_H_
 #define CHROME_BROWSER_DEBUGGER_DEVTOOLS_PROTOCOL_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 33 matching lines @@
   // Unregisters a |listener| so that it will no longer handle messages
   // directed to the specified |tool_name| tool.
   void UnregisterDestination(DevToolsRemoteListener* listener,
                              const std::string& tool_name);
 
   InspectableTabProxy* inspectable_tab_proxy() {
     return inspectable_tab_proxy_.get();
   }
 
   // DevToolsRemoteListener interface
-  virtual void HandleMessage(const DevToolsRemoteMessage& message);
-  virtual void OnAcceptConnection(net::ListenSocket *connection);
-  virtual void OnConnectionLost();
+  virtual void HandleMessage(const DevToolsRemoteMessage& message) OVERRIDE;
+  virtual void OnAcceptConnection(net::ListenSocket *connection) OVERRIDE;
+  virtual void OnConnectionLost() OVERRIDE;
 
   // OutboundSocketDelegate interface
-  virtual void Send(const DevToolsRemoteMessage& message);
+  virtual void Send(const DevToolsRemoteMessage& message) OVERRIDE;
 
  private:
   explicit DevToolsProtocolHandler(int port);
   virtual ~DevToolsProtocolHandler();
   void Start();
 
   void Init();
   void Teardown();
   int port_;
   ToolToListenerMap tool_to_listener_map_;
   scoped_refptr<net::ListenSocket> connection_;
   scoped_refptr<DevToolsRemoteListenSocket> server_;
   scoped_ptr<InspectableTabProxy> inspectable_tab_proxy_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsProtocolHandler);
 };
 
 #endif  // CHROME_BROWSER_DEBUGGER_DEVTOOLS_PROTOCOL_HANDLER_H_