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

net/base/load_states.h

Index: net/base/load_states.h
diff --git a/net/base/load_states.h b/net/base/load_states.h
index 91b0b6b37bc24fb317d96556a8bb01ecfe824519..e4bf0502984e3788492699972e18aa383d80bd7c 100644
--- a/net/base/load_states.h
+++ b/net/base/load_states.h
@@ -34,11 +34,14 @@ enum LoadState {
   LOAD_STATE_WAITING_FOR_CACHE,
 
   // 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_FOR_PROXY_SCRIPT,
+
   // This state indicates that we're in the process of establishing a tunnel
   // through the proxy server.
   LOAD_STATE_ESTABLISHING_PROXY_TUNNEL,