Add new text for indicating we are resolving hosts during proxy resolution.

net/base/load_states.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 NET_BASE_LOAD_STATES_H__
 #define NET_BASE_LOAD_STATES_H__
 #pragma once
 
 #include "base/string16.h"
 
@@ skipping 22 matching lines @@
   // the first completes.  This may be done to optimize for cache reuse.
   LOAD_STATE_WAITING_FOR_CACHE,
 
   // This state corresponds to a resource load that is blocked waiting for
   // access to a resource in the AppCache.
   // Note: This is a layering violation, but being the only one it's not that
   // bad. TODO(rvargas): Reconsider what to do if we need to add more.
   LOAD_STATE_WAITING_FOR_APPCACHE,
 
   // This state corresponds to a resource load that is blocked waiting for a
-  // proxy autoconfig script to return a proxy server to use.  This state may
-  // take a while if the proxy script needs to resolve the IP address of the
-  // host before deciding what proxy to use.
+  // proxy autoconfig script to return a proxy server to use.
   LOAD_STATE_RESOLVING_PROXY_FOR_URL,
 
+  // This state corresponds to a resource load that is blocked waiting for a
+  // proxy autoconfig script to return a proxy server to use, but that proxy
+  // script is busy resolving the IP address of a host.
+  LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT,
+
   // This state indicates that we're in the process of establishing a tunnel
   // through the proxy server.
   LOAD_STATE_ESTABLISHING_PROXY_TUNNEL,
 
   // This state corresponds to a resource load that is blocked waiting for a
   // host name to be resolved.  This could either indicate resolution of the
   // origin server corresponding to the resource or to the host name of a proxy
   // server used to fetch the resource.
   LOAD_STATE_RESOLVING_HOST,
 
@@ skipping 33 matching lines @@
   LoadState state;
   string16 param;
   LoadStateWithParam() : state(LOAD_STATE_IDLE) {}
   LoadStateWithParam(LoadState state, const string16& param)
       : state(state), param(param) {}
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_LOAD_STATES_H__