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

net/socket/client_socket_pool_base.h

Index: net/socket/client_socket_pool_base.h
diff --git a/net/socket/client_socket_pool_base.h b/net/socket/client_socket_pool_base.h
index 4892780b4d641f0f52be1f05a73f5225ae8ed333..2e3c05e9880bbef4846ad5b7587f1988c73387a4 100644
--- a/net/socket/client_socket_pool_base.h
+++ b/net/socket/client_socket_pool_base.h
@@ -450,7 +450,7 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
     void DecrementActiveSocketCount() { active_socket_count_--; }
 
     int unassigned_job_count() const { return unassigned_job_count_; }
-    const std::set<ConnectJob*>& jobs() const { return jobs_; }
+    const std::list<ConnectJob*>& jobs() const { return jobs_; }
     const std::list<IdleSocket>& idle_sockets() const { return idle_sockets_; }
     int active_socket_count() const { return active_socket_count_; }
     std::list<IdleSocket>* mutable_idle_sockets() { return &idle_sockets_; }
@@ -479,7 +479,7 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
     size_t unassigned_job_count_;
 
     std::list<IdleSocket> idle_sockets_;
-    std::set<ConnectJob*> jobs_;
+    std::list<ConnectJob*> jobs_;
     RequestQueue pending_requests_;
     int active_socket_count_;  // number of active sockets used by clients
     // A timer for when to start the backup job.