Track sources of proxy settings.

net/proxy/proxy_info.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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_
 #pragma once
 
 #include <string>
 
 #include "net/base/net_export.h"
@@ skipping 63 matching lines @@
 
   // Returns true if this proxy info has no proxies left to try.
   bool is_empty() const {
     return proxy_list_.IsEmpty();
   }
 
   // Returns the first valid proxy server. is_empty() must be false to be able
   // to call this function.
   const ProxyServer& proxy_server() const { return proxy_list_.Get(); }
 
+  // Returns the source for configuration settings used for proxy resolution.
+  ProxyConfigSource config_source() const { return config_source_; }
+
   // See description in ProxyList::ToPacString().
   std::string ToPacString() const;
 
   // Marks the current proxy as bad. Returns true if there is another proxy
   // available to try in proxy list_.
   bool Fallback(const BoundNetLog& net_log);
 
   // De-prioritizes the proxies that we have cached as not working, by moving
   // them to the end of the proxy list.
   void DeprioritizeBadProxies(const ProxyRetryInfoMap& proxy_retry_info);
@@ skipping 10 matching lines @@
 
   // The ordered list of proxy servers (including DIRECT attempts) remaining to
   // try. If proxy_list_ is empty, then there is nothing left to fall back to.
   ProxyList proxy_list_;
 
   // List of proxies that have been tried already.
   ProxyRetryInfoMap proxy_retry_info_;
 
   // This value identifies the proxy config used to initialize this object.
   ProxyConfig::ID config_id_;
+
+  // The source of the proxy settings used,
+  ProxyConfigSource config_source_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_INFO_H_