Revert 132478 - Attempt to close idle connections in higher layer socket pools when a lower layer p…

net/socket/client_socket_pool_base.cc

Index: net/socket/client_socket_pool_base.cc
===================================================================
--- net/socket/client_socket_pool_base.cc	(revision 132618)
+++ net/socket/client_socket_pool_base.cc	(working copy)
@@ -369,21 +369,11 @@
       if (preconnecting && !closed)
         return ERR_PRECONNECT_MAX_SOCKET_LIMIT;
     } else {
-      do {
-        if (!CloseOneIdleConnectionInLayeredPool()) {
-          // We could check if we really have a stalled group here, but it
-          // requires a scan of all groups, so return ERR_IO_PENDING, and do
-          // the check later.
-          request->net_log().AddEvent(
-              NetLog::TYPE_SOCKET_POOL_STALLED_MAX_SOCKETS, NULL);
-          return ERR_IO_PENDING;
-        }
-      } while (ReachedMaxSocketsLimit());
-
-      // It is possible that CloseOneIdleConnectionInLayeredPool() has deleted
-      // our Group (see http://crbug.com/109876), so look it up again
-      // to be safe.
-      group = GetOrCreateGroup(group_name);
+      // We could check if we really have a stalled group here, but it requires
+      // a scan of all groups, so just flip a flag here, and do the check later.
+      request->net_log().AddEvent(
+          NetLog::TYPE_SOCKET_POOL_STALLED_MAX_SOCKETS, NULL);
+      return ERR_IO_PENDING;
     }
   }