Move Aura to UI subdir.

views/widget/native_widget_aura.h

 // Copyright (c) 2011 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 VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
 #define VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
 #pragma once
 
-#include "aura/window_delegate.h"
+#include "ui/aura/window_delegate.h"
 #include "views/widget/native_widget_private.h"
 
 namespace gfx {
 class Font;
 }
 
 namespace views {
 
 class NativeWidgetAura : public internal::NativeWidgetPrivate,
                          public aura::WindowDelegate {
@@ skipping 105 matching lines @@
 
   // See class documentation for Widget in widget.h for a note about ownership.
   Widget::InitParams::Ownership ownership_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_