Add OVERRIDE to chrome/test/.

chrome/test/webdriver/commands/session_with_id.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_TEST_WEBDRIVER_COMMANDS_SESSION_WITH_ID_H_
 #define CHROME_TEST_WEBDRIVER_COMMANDS_SESSION_WITH_ID_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 10 matching lines @@
 // with the following properties:
 // http://code.google.com/p/selenium/wiki/JsonWireProtocol#/session/:sessionId
 // If the HTTP Delete request is sent the session is closed and all temp
 // files and directories created are deleted.
 class SessionWithID : public WebDriverCommand {
  public:
   SessionWithID(const std::vector<std::string>& path_segments,
                 const DictionaryValue* const parameters);
   virtual ~SessionWithID();
 
-  virtual bool DoesGet();
-  virtual bool DoesDelete();
+  virtual bool DoesGet() OVERRIDE;
+  virtual bool DoesDelete() OVERRIDE;
 
-  virtual void ExecuteGet(Response* const response);
-  virtual void ExecuteDelete(Response* const response);
+  virtual void ExecuteGet(Response* const response) OVERRIDE;
+  virtual void ExecuteDelete(Response* const response) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SessionWithID);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_COMMANDS_SESSION_WITH_ID_H_