Ensure pipelined requests are sent in the same order they're queued.

net/http/http_stream_factory_impl.cc

 // 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.
 
 #include "net/http/http_stream_factory_impl.h"
 
 #include "base/string_number_conversions.h"
 #include "base/stl_util.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/net_log.h"
@@ skipping 239 matching lines @@
     request->OnStreamReady(NULL,
                            stream->used_ssl_config(),
                            stream->used_proxy_info(),
                            stream);
   }
 }
 
 void HttpStreamFactoryImpl::AbortPipelinedRequestsWithKey(
     const Job* job, const HttpPipelinedHost::Key& key, int status,
     const SSLConfig& used_ssl_config) {
-  RequestSet requests_to_fail = http_pipelining_request_map_[key];
-  requests_to_fail.erase(request_map_[job]);
-  for (RequestSet::const_iterator it = requests_to_fail.begin();
+  RequestVector requests_to_fail = http_pipelining_request_map_[key];
+  for (RequestVector::const_iterator it = requests_to_fail.begin();
        it != requests_to_fail.end(); ++it) {
     Request* request = *it;
+    if (request == request_map_[job]) {
+      continue;
+    }
     request->OnStreamFailed(NULL, status, used_ssl_config);
   }
 }
 
 }  // namespace net