Remove calls to deprecated MessageLoop methods on Windows and Linux.

ui/aura/test/ui_controls_factory_aurawin.cc

 // Copyright 2013 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 "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "ui/aura/test/ui_controls_factory_aura.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/test/ui_controls_aura.h"
 #include "ui/base/test/ui_controls_internal_win.h"
 
 namespace aura {
 namespace test {
 
 namespace {
@@ skipping 51 matching lines @@
                                      int state,
                                      const base::Closure& task) override {
     return SendMouseEventsImpl(type, state, task);
   }
   bool SendMouseClick(MouseButton type) override {
     return SendMouseEvents(type, UP | DOWN);
   }
   void RunClosureAfterAllPendingUIEvents(
       const base::Closure& closure) override {
     // On windows, posting UI events is synchronous so just post the closure.
-    base::MessageLoopForUI::current()->PostTask(FROM_HERE, closure);
+    base::MessageLoopForUI::current()->task_runner()->PostTask(FROM_HERE,
+                                                               closure);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UIControlsWin);
 };
 
 }  // namespace
 
 UIControlsAura* CreateUIControlsAura(WindowTreeHost* host) {
   return new UIControlsWin();
 }
 
 }  // namespace test
 }  // namespace aura