Eliminate the establishing_tunnel_ internal state and move to explicit...

net/base/load_states.h

 // Copyright (c) 2006-2008 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__
 
 namespace net {
 
 // These states correspond to the lengthy periods of time that a resource load
@@ skipping 11 matching lines @@
   // updating) the cache entry and the second request will be deferred until
   // 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 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.
   LOAD_STATE_RESOLVING_PROXY_FOR_URL,
 
+  // 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,
 
   // This state corresponds to a resource load that is blocked waiting for a
   // TCP connection (or other network connection) to be established.  HTTP
   // requests that reuse a keep-alive connection skip this state.
   LOAD_STATE_CONNECTING,
@@ skipping 14 matching lines @@
   // read to complete.  In the case of a HTTP transaction, this corresponds to
   // the period after the response headers have been received and before all of
   // the response body has been downloaded.  (NOTE: This state only applies for
   // an URLRequest while there is an outstanding Read operation.)
   LOAD_STATE_READING_RESPONSE,
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_LOAD_STATES_H__