Use a direct include of the message_loop header in ui/, part 1.

ui/base/test/ui_controls_internal_win.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 "ui/base/test/ui_controls_internal_win.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "ui/base/keycodes/keyboard_code_conversion_win.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #endif
 
 namespace {
 
@@ skipping 316 matching lines @@
     return false;
 
   if (dispatcher.get())
     dispatcher->AddRef();
 
   return true;
 }
 
 }  // namespace internal
 }  // namespace ui_controls