views: Move widget/ directory to ui/views.

ui/views/widget/drop_target_win.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_WIN_H_
-#define VIEWS_WIDGET_DROP_TARGET_WIN_H_
+#ifndef UI_VIEWS_WIDGET_DROP_TARGET_WIN_H_
+#define UI_VIEWS_WIDGET_DROP_TARGET_WIN_H_
 #pragma once
 
 #include "ui/base/dragdrop/drop_target.h"
-#include "views/widget/drop_helper.h"
+#include "ui/views/widget/drop_helper.h"
 
 namespace views {
 
 class View;
 namespace internal {
 class RootView;
 }
 
 // DropTargetWin takes care of managing drag and drop for NativeWidgetWin. It
 // converts Windows OLE drop messages into Views drop messages.
@@ skipping 25 matching lines @@
                        DWORD effect);
 
  private:
   views::DropHelper helper_;
 
   DISALLOW_COPY_AND_ASSIGN(DropTargetWin);
 };
 
 }  // namespace views
 
-#endif  // VIEWS_WIDGET_DROP_TARGET_WIN_H_
+#endif  // UI_VIEWS_WIDGET_DROP_TARGET_WIN_H_