Move MessageLoop to base namespace.

ui/views/test/views_test_base.h

 // 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.
 
 #ifndef UI_VIEWS_TEST_VIEWS_TEST_BASE_H_
 #define UI_VIEWS_TEST_VIEWS_TEST_BASE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 28 matching lines @@
   // cross-platform tests.
   Widget::InitParams CreateParams(Widget::InitParams::Type type);
 
  protected:
   TestViewsDelegate& views_delegate() const { return *views_delegate_.get(); }
 
   void set_views_delegate(TestViewsDelegate* views_delegate) {
     views_delegate_.reset(views_delegate);
   }
 
-  MessageLoop* message_loop() { return &message_loop_; }
+  base::MessageLoop* message_loop() { return &message_loop_; }
 
   // Returns a context view. In aura builds, this will be the
   // RootWindow. Everywhere else, NULL.
   gfx::NativeView GetContext();
 
  private:
-  MessageLoopForUI message_loop_;
+  base::MessageLoopForUI message_loop_;
   scoped_ptr<TestViewsDelegate> views_delegate_;
 #if defined(USE_AURA)
   scoped_ptr<aura::test::AuraTestHelper> aura_test_helper_;
 #endif
   bool setup_called_;
   bool teardown_called_;
 
 #if defined(OS_WIN)
   ui::ScopedOleInitializer ole_initializer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ViewsTestBase);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_TEST_VIEWS_TEST_BASE_H_