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

net/proxy/proxy_config_service_ios.cc

 // 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.
 
 #include "net/proxy/proxy_config_service_ios.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 #include <CFNetwork/CFProxySupport.h>
 
 #include "base/message_loop.h"
@@ skipping 60 matching lines @@
                             kCFNetworkProxiesHTTPEnable,
                             false)) {
     ProxyServer proxy_server =
         ProxyServer::FromDictionary(ProxyServer::SCHEME_HTTP,
                                     config_dict.get(),
                                     kCFNetworkProxiesHTTPProxy,
                                     kCFNetworkProxiesHTTPPort);
     if (proxy_server.is_valid()) {
       config->proxy_rules().type =
           ProxyConfig::ProxyRules::TYPE_PROXY_PER_SCHEME;
-      config->proxy_rules().proxy_for_http = proxy_server;
+      config->proxy_rules().proxy_for_http.SetSingleProxyServer(proxy_server);
       // Desktop Safari applies the HTTP proxy to http:// URLs only, but
       // Mobile Safari applies the HTTP proxy to https:// URLs as well.
-      config->proxy_rules().proxy_for_https = proxy_server;
+      config->proxy_rules().proxy_for_https.SetSingleProxyServer(proxy_server);
     }
   }
 
   // Proxy bypass list is not supported.
   // The kCFNetworkProxiesExceptionsList key is not available on iOS.
 
   // Proxy bypass boolean is not supported.
   // The kCFNetworkProxiesExcludeSimpleHostnames key is not available on iOS.
 
   // Source
   config->set_source(PROXY_CONFIG_SOURCE_SYSTEM);
 }
 
 }  // namespace
 
 ProxyConfigServiceIOS::ProxyConfigServiceIOS()
     : PollingProxyConfigService(base::TimeDelta::FromSeconds(kPollIntervalSec),
                                 GetCurrentProxyConfig) {
 }
 
 ProxyConfigServiceIOS::~ProxyConfigServiceIOS() {
 }
 
 }  // namespace net