Remove use of deprecated MessageLoop methods in components.

components/mus/public/cpp/tests/window_server_test_base.cc

 // Copyright 2015 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 "components/mus/public/cpp/tests/window_server_test_base.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/test/test_timeouts.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "components/mus/public/cpp/window.h"
 #include "components/mus/public/cpp/window_tree_client.h"
 #include "components/mus/public/cpp/window_tree_host_factory.h"
 #include "services/shell/public/cpp/connector.h"
 
 namespace mus {
 namespace {
 
 base::RunLoop* current_run_loop = nullptr;
 
@@ skipping 14 matching lines @@
 
 WindowServerTestBase::~WindowServerTestBase() {}
 
 // static
 bool WindowServerTestBase::DoRunLoopWithTimeout() {
   if (current_run_loop != nullptr)
     return false;
 
   bool timeout = false;
   base::RunLoop run_loop;
-  base::MessageLoop::current()->PostDelayedTask(
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::Bind(&TimeoutRunLoop, run_loop.QuitClosure(), &timeout),
       TestTimeouts::action_timeout());
 
   current_run_loop = &run_loop;
   current_run_loop->Run();
   current_run_loop = nullptr;
   return !timeout;
 }
 
 // static
@@ skipping 72 matching lines @@
   if (window_manager_delegate_)
     window_manager_delegate_->OnAccelerator(id, event);
 }
 
 void WindowServerTestBase::Create(shell::Connection* connection,
                                   mojom::WindowTreeClientRequest request) {
   new WindowTreeClient(this, nullptr, std::move(request));
 }
 
 }  // namespace mus