redesign and reimplement proxy config service and tracker, revise proxy ui on cros

chrome/browser/ui/webui/options/chromeos/proxy_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_UI_WEBUI_OPTIONS_CHROMEOS_PROXY_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_PROXY_HANDLER_H_
 
 #include "chrome/browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h"
 
 namespace chromeos {
 
 // ChromeOS proxy options page UI handler.
 class ProxyHandler : public CrosOptionsPageUIHandler {
  public:
-  ProxyHandler();
+  explicit ProxyHandler(Profile* profile);
   virtual ~ProxyHandler();
 
   // OptionsPageUIHandler implementation.
   virtual void GetLocalizedValues(base::DictionaryValue* localized_strings);
 
   // Set network name for proxy page title.
   void SetNetworkName(const std::string& name);
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(ProxyHandler);
 };
 
 } // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_PROXY_HANDLER_H_