Fix leak on connection error.

net/socket/client_socket_pool_base.cc

Index: net/socket/client_socket_pool_base.cc
diff --git a/net/socket/client_socket_pool_base.cc b/net/socket/client_socket_pool_base.cc
index 56eb1ab7a81f98495b559fd6935573ff509374dc..2a32e4d1fda6ddafc416a49e1198b5979a938d67 100644
--- a/net/socket/client_socket_pool_base.cc
+++ b/net/socket/client_socket_pool_base.cc
@@ -303,7 +303,7 @@ void ClientSocketPoolBase::OnConnectJobComplete(int result, ConnectJob* job) {
   request_map->erase(it);
   DCHECK_EQ(handle, job->key_handle());
 
-  ClientSocket* const socket = job->ReleaseSocket();
+  scoped_ptr<ClientSocket> socket(job->ReleaseSocket());
   RemoveConnectJob(job->key_handle());
 
   if (result != OK) {
@@ -312,7 +312,7 @@ void ClientSocketPoolBase::OnConnectJobComplete(int result, ConnectJob* job) {
     // |group_map_| again.
     MaybeOnAvailableSocketSlot(group_name);
   } else {
-    HandOutSocket(socket, false /* not reused */, handle, &group);
+    HandOutSocket(socket.release(), false /* not reused */, handle, &group);
     callback->Run(result);
   }
 }