Move xfa/include/fwl/{theme,lightwidget} to xfa/fwl

xfa/include/fwl/theme/pictureboxtp.h

Index: xfa/include/fwl/theme/pictureboxtp.h
diff --git a/xfa/include/fwl/theme/pictureboxtp.h b/xfa/include/fwl/theme/pictureboxtp.h
deleted file mode 100644
index 8879890649424ae130cf06159138b2f915b817a0..0000000000000000000000000000000000000000
--- a/xfa/include/fwl/theme/pictureboxtp.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef XFA_INCLUDE_FWL_THEME_PICTUREBOXTP_H_
-#define XFA_INCLUDE_FWL_THEME_PICTUREBOXTP_H_
-
-#include "xfa/include/fwl/theme/widgettp.h"
-
-class CFWL_PictureBoxTP : public CFWL_WidgetTP {
- public:
-  CFWL_PictureBoxTP();
-  virtual ~CFWL_PictureBoxTP();
-  virtual FX_BOOL IsValidWidget(IFWL_Widget* pWidget);
-  virtual FX_BOOL DrawBackground(CFWL_ThemeBackground* pParams);
-};
-
-#endif  // XFA_INCLUDE_FWL_THEME_PICTUREBOXTP_H_