Remove calls to MessageLoop::current() in net.

net/test/spawned_test_server/spawner_communicator.cc

Index: net/test/spawned_test_server/spawner_communicator.cc
diff --git a/net/test/spawned_test_server/spawner_communicator.cc b/net/test/spawned_test_server/spawner_communicator.cc
index cfa509b722ac517549b958e870297bb752a87fcf..05865d94efc50a2afb906e20a51c46468dd0ab4e 100644
--- a/net/test/spawned_test_server/spawner_communicator.cc
+++ b/net/test/spawned_test_server/spawner_communicator.cc
@@ -175,7 +175,7 @@ void SpawnerCommunicator::SendCommandAndWaitForResultOnIOThread(
     std::string* data_received) {
   base::MessageLoop* loop = io_thread_.message_loop();
   DCHECK(loop);
-  DCHECK_EQ(base::MessageLoop::current(), loop);
+  DCHECK(loop->task_runner()->BelongsToCurrentThread());
 
   // Prepare the URLRequest for sending the command.
   DCHECK(!cur_request_.get());