Cleanup more test code.

chrome/test/webdriver/session_manager.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_SESSION_MANAGER_H_
 #define CHROME_TEST_WEBDRIVER_SESSION_MANAGER_H_
 
 #include <map>
 #include <string>
 
 #include "base/singleton.h"
@@ skipping 15 matching lines @@
   std::string GetIPAddress();
   bool SetIPAddress(const std::string& port);
 
   Session* Create();
   bool Delete(const std::string& id);
   bool Has(const std::string& id) const;
 
   Session* GetSession(const std::string& id) const;
 
  private:
-  SessionManager() : addr_(""), port_(""), count_(0) {}
+  SessionManager();
+  ~SessionManager();
   friend struct DefaultSingletonTraits<SessionManager>;
   std::string GenerateSessionID();
   std::string IPLookup(const std::string& nic);
 
   std::map<std::string, Session*> map_;
   mutable base::Lock map_lock_;
   base::Lock session_generation_;
   // Record the address and port for the HTTP 303 See other redirect.
   // We save the IP and Port of the machine chromedriver is running on since
   // a HTTP 303, see other,  resdirect is sent after a successful creation of
   // a session, ie: http://172.22.41.105:8080/session/DFSSE453CV588
   std::string addr_;
   std::string port_;
   int count_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionManager);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_SESSION_MANAGER_H_