Remove calls to deprecated MessageLoop methods in net.

net/http/http_response_body_drainer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_response_body_drainer.h"
 
 #include <stdint.h>
 
 #include <cstring>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/cert/ct_policy_enforcer.h"
 #include "net/cert/mock_cert_verifier.h"
 #include "net/cert/multi_log_ct_verifier.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
@@ skipping 16 matching lines @@
  public:
   CloseResultWaiter()
       : result_(false),
         have_result_(false),
         waiting_for_result_(false) {}
 
   int WaitForResult() {
     CHECK(!waiting_for_result_);
     while (!have_result_) {
       waiting_for_result_ = true;
-      base::MessageLoop::current()->Run();
+      base::RunLoop().Run();
       waiting_for_result_ = false;
     }
     return result_;
   }
 
   void set_result(bool result) {
     result_ = result;
     have_result_ = true;
     if (waiting_for_result_)
       base::MessageLoop::current()->QuitWhenIdle();
@@ skipping 272 matching lines @@
 TEST_F(HttpResponseBodyDrainerTest, DrainBodyCantReuse) {
   mock_stream_->set_num_chunks(1);
   mock_stream_->set_can_reuse_connection(false);
   drainer_->Start(session_.get());
   EXPECT_TRUE(result_waiter_.WaitForResult());
 }
 
 }  // namespace
 
 }  // namespace net