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

net/proxy/proxy_info.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.
 
 #ifndef NET_PROXY_PROXY_INFO_H_
 #define NET_PROXY_PROXY_INFO_H_
 
 #include <string>
 
 #include "base/time.h"
@@ skipping 26 matching lines @@
   // Uses a specific proxy server, of the form:
   //   proxy-uri = [<scheme> "://"] <hostname> [":" <port>]
   // This may optionally be a semi-colon delimited list of <proxy-uri>.
   // It is OK to have LWS between entries.
   void UseNamedProxy(const std::string& proxy_uri_list);
 
   // Sets the proxy list to a single entry, |proxy_server|.
   void UseProxyServer(const ProxyServer& proxy_server);
 
   // Parses from the given PAC result.
-  void UsePacString(const std::string& pac_string) {
-    proxy_list_.SetFromPacString(pac_string);
-  }
+  void UsePacString(const std::string& pac_string);
 
   // Returns true if this proxy info specifies a direct connection.
   bool is_direct() const {
     // We don't implicitly fallback to DIRECT unless it was added to the list.
     if (is_empty())
       return false;
     return proxy_list_.Get().is_direct();
   }
 
   bool is_direct_only() const {
@@ skipping 99 matching lines @@
 
   // How long it took to resolve the proxy.  Times are both null if proxy was
   // determined synchronously without running a PAC.
   base::TimeTicks proxy_resolve_start_time_;
   base::TimeTicks proxy_resolve_end_time_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_INFO_H_