Reverting again ... More crashes, and the instrumentation did not appear to help

net/socket/transport_client_socket_pool.cc

Index: net/socket/transport_client_socket_pool.cc
===================================================================
--- net/socket/transport_client_socket_pool.cc	(revision 131144)
+++ net/socket/transport_client_socket_pool.cc	(working copy)
@@ -449,10 +449,6 @@
   base_.Flush();
 }
 
-bool TransportClientSocketPool::IsStalled() const {
-  return base_.IsStalled();
-}
-
 void TransportClientSocketPool::CloseIdleSockets() {
   base_.CloseIdleSockets();
 }
@@ -471,14 +467,6 @@
   return base_.GetLoadState(group_name, handle);
 }
 
-void TransportClientSocketPool::AddLayeredPool(LayeredPool* layered_pool) {
-  base_.AddLayeredPool(layered_pool);
-}
-
-void TransportClientSocketPool::RemoveLayeredPool(LayeredPool* layered_pool) {
-  base_.RemoveLayeredPool(layered_pool);
-}
-
 DictionaryValue* TransportClientSocketPool::GetInfoAsValue(
     const std::string& name,
     const std::string& type,