ui: Use base::MessageLoop.

ui/views/widget/native_widget_aura.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 "ui/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 393 matching lines @@
   // and ownership is WIDGET_OWNS_NATIVE_WIDGET.
   DCHECK(window_ ||
          ownership_ == Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET);
   if (window_) {
     window_->SuppressPaint();
     Hide();
     window_->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_NONE);
   }
 
   if (!close_widget_factory_.HasWeakPtrs()) {
-    MessageLoop::current()->PostTask(
+    base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&NativeWidgetAura::CloseNow,
                    close_widget_factory_.GetWeakPtr()));
   }
 }
 
 void NativeWidgetAura::CloseNow() {
   delete window_;
 }
 
@@ skipping 610 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views