views: Move widget/ directory to ui/views.

ui/views/widget/drop_target_gtk.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_DROP_TARGET_GTK_H_
-#define VIEWS_WIDGET_DROP_TARGET_GTK_H_
+#ifndef UI_VIEWS_WIDGET_DROP_TARGET_GTK_H_
+#define UI_VIEWS_WIDGET_DROP_TARGET_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
-#include "views/widget/drop_helper.h"
+#include "ui/views/widget/drop_helper.h"
 
 namespace ui {
 class OSExchangeDataProviderGtk;
 }
 using ui::OSExchangeData;
 using ui::OSExchangeDataProviderGtk;
 
 namespace views {
 
 class View;
@@ skipping 85 matching lines @@
   // The view under the mouse. This is not necessarily the same as
   // helper_.target_view(). The two differ if the view under the mouse requires
   // the data.
   View* pending_view_;
 
   DISALLOW_COPY_AND_ASSIGN(DropTargetGtk);
 };
 
 }  // namespace views
 
-#endif  // VIEWS_WIDGET_DROP_TARGET_GTK_H_
+#endif  // UI_VIEWS_WIDGET_DROP_TARGET_GTK_H_