Change ProxyRules to handle ProxyLists rather than just single ProxyServer instances.

chrome/browser/extensions/api/proxy/proxy_api_helpers.h

 // Copyright (c) 2012 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.
 
 // Definition of helper functions for the Chrome Extensions Proxy Settings API.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_HELPERS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_HELPERS_H_
 
 #include <string>
@@ skipping 98 matching lines @@
 
 // Helper functions for browser->extension pref transformation:
 
 // Creates and returns a ProxyRules dictionary as defined in the extension API
 // with the values of a ProxyConfigDictionary configured for fixed proxy
 // servers. Returns NULL in case of failures. Ownership is passed to the caller.
 base::DictionaryValue* CreateProxyRulesDict(
     const ProxyConfigDictionary& proxy_config);
 
 // Creates and returns a ProxyServer dictionary as defined in the extension API
-// with values from a net::ProxyServer object. Never returns NULL. Ownership is
-// passed to the caller.
-base::DictionaryValue* CreateProxyServerDict(const net::ProxyServer& proxy);
+// with values from a net::ProxyList containing exactly one net::ProxyServer
+// object. Never returns NULL. Ownership is passed to the caller.
+base::DictionaryValue* CreateProxyServerDict(const net::ProxyList& proxies);
 
 // Creates and returns a PacScript dictionary as defined in the extension API
 // with the values of a ProxyconfigDictionary configured for pac scripts.
 // Returns NULL in case of failures. Ownership is passed to the caller.
 base::DictionaryValue* CreatePacScriptDict(
     const ProxyConfigDictionary& proxy_config);
 
 // Tokenizes the |in| at delimiters |delims| and returns a new ListValue with
 // StringValues created from the tokens. Ownership is passed to the caller.
 base::ListValue* TokenizeToStringList(const std::string& in,
                                       const std::string& delims);
 
 }  // namespace proxy_api_helpers
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_HELPERS_H_