Report the connect status of the oldest connection in the socket pool.

net/socket/client_socket_pool_base.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/socket/client_socket_pool_base.h"
 
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 554 matching lines @@
   if (group_it == group_map_.end()) {
     // TODO(mmenke):  This is actually reached in the wild, for unknown reasons.
     // Would be great to understand why, and if it's a bug, fix it.  If not,
     // should have a test for that case.
     NOTREACHED();
     return LOAD_STATE_IDLE;
   }
 
   const Group& group = *group_it->second;
   if (group.HasConnectJobForHandle(handle)) {
-    // Just return the state of the farthest along ConnectJob for the first
-    // group.jobs().size() pending requests.
-    LoadState max_state = LOAD_STATE_IDLE;
-    for (const auto& job : group.jobs()) {
-      max_state = std::max(max_state, job->GetLoadState());
-    }
-    return max_state;
+    // Instead of going through all the states in the underlying protocol
+    // levels, just return the state of the oldest connect job, which is the
+    // first in the set since the connect jobs are sorted in ascending order
+    // by time.
+    return (*group.jobs().begin())->GetLoadState();
   }
 
   if (group.CanUseAdditionalSocketSlot(max_sockets_per_group_))
     return LOAD_STATE_WAITING_FOR_STALLED_SOCKET_POOL;
   return LOAD_STATE_WAITING_FOR_AVAILABLE_SOCKET;
 }
 
 base::DictionaryValue* ClientSocketPoolBaseHelper::GetInfoAsValue(
     const std::string& name, const std::string& type) const {
   base::DictionaryValue* dict = new base::DictionaryValue();
@@ skipping 736 matching lines @@
   pending_requests_.Erase(pointer);
   // If there are no more requests, kill the backup timer.
   if (pending_requests_.empty())
     backup_job_timer_.Stop();
   return request.Pass();
 }
 
 }  // namespace internal
 
 }  // namespace net