Added "Use an autoconfiguration URL" checkbox in proxy tab

chrome/browser/chromeos/proxy_cros_settings_parser.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_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_
 
 #include <string>
 
 class Profile;
@@ skipping 11 matching lines @@
 extern const char kProxyHttpPort[];
 extern const char kProxyHttpsUrl[];
 extern const char kProxyHttpsPort[];
 extern const char kProxyType[];
 extern const char kProxySingle[];
 extern const char kProxyFtpUrl[];
 extern const char kProxyFtpPort[];
 extern const char kProxySocks[];
 extern const char kProxySocksPort[];
 extern const char kProxyIgnoreList[];
+extern const char kProxyUsePacUrl[];
 
 extern const char* const kProxySettings[];
 extern const size_t kProxySettingsCount;
 
 // This namespace defines two helper functions for parsing Proxy configuration
 // to and from the ProxyConfigServiceImpl and the UI that exposes them to the
 // user.
 namespace proxy_cros_settings_parser {
   // Returns true if the supplied |path| is a proxy preference name.
   bool IsProxyPref(const std::string& path);
 
   // Sets a value in the current proxy configuration on the specified profile.
   void SetProxyPrefValue(Profile* profile,
                          const std::string& path,
                          const base::Value* in_value);
 
   // Gets a value from the current proxy configuration on the specified profile.
   bool GetProxyPrefValue(Profile* profile,
                          const std::string& path,
                          base::Value** out_value);
 }  // namespace proxy_cros_settings_parser
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_