ui: Use base::MessageLoop.

ui/views/widget/native_widget_aura_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 "ui/views/widget/native_widget_aura.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
@@ skipping 35 matching lines @@
   }
   virtual void TearDown() OVERRIDE {
     message_loop_.RunUntilIdle();
     aura_test_helper_->TearDown();
   }
 
  protected:
   aura::RootWindow* root_window() { return aura_test_helper_->root_window(); }
 
  private:
-  MessageLoopForUI message_loop_;
+  base::MessageLoopForUI message_loop_;
   scoped_ptr<aura::test::AuraTestHelper> aura_test_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAuraTest);
 };
 
 TEST_F(NativeWidgetAuraTest, CenterWindowLargeParent) {
   // Make a parent window larger than the host represented by rootwindow.
   scoped_ptr<aura::Window> parent(new aura::Window(NULL));
   parent->Init(ui::LAYER_NOT_DRAWN);
   parent->SetBounds(gfx::Rect(0, 0, 1024, 800));
@@ skipping 330 matching lines @@
 }
 
 TEST_F(NativeWidgetAuraTest, NoCrashOnThemeAfterClose) {
   scoped_ptr<aura::Window> parent(new aura::Window(NULL));
   parent->Init(ui::LAYER_NOT_DRAWN);
   parent->SetBounds(gfx::Rect(0, 0, 480, 320));
   scoped_ptr<Widget> widget(new Widget());
   NativeWidgetAura* window = Init(parent.get(), widget.get());
   window->Show();
   window->Close();
-  MessageLoop::current()->RunUntilIdle();
+  base::MessageLoop::current()->RunUntilIdle();
   widget->GetNativeTheme();  // Shouldn't crash.
 }
 
 }  // namespace
 }  // namespace views