Remove xfa/src/fwl/src and move code up a level.

xfa/include/fwl/basewidget/fwl_spinbutton.h

 // 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_BASEWIDGET_FWL_SPINBUTTON_H_
 #define XFA_INCLUDE_FWL_BASEWIDGET_FWL_SPINBUTTON_H_
 
-#include "xfa/src/fwl/src/core/fwl_widgetimp.h"
+#include "xfa/src/fwl/core/fwl_widgetimp.h"
 
 #define FWL_CLASS_SpinButton L"FWL_SPINBUTTON"
 #define FWL_CLASSHASH_SpinButton 3793043646
 #define FWL_STYLEEXE_SPB_Vert (1L << 0)
 #define FWL_PART_SPB_Border 1
 #define FWL_PART_SPB_Edge 2
 #define FWL_PART_SPB_UpButton 3
 #define FWL_PART_SPB_DownButton 4
 #define FWL_PARTSTATE_SPB_Normal (0L << 0)
 #define FWL_PARTSTATE_SPB_Hovered (1L << 0)
@@ skipping 13 matching lines @@
                                  IFWL_Widget* pOuter);
 
   FWL_ERR EnableButton(FX_BOOL bEnable, FX_BOOL bUp = TRUE);
   FX_BOOL IsButtonEnable(FX_BOOL bUp = TRUE);
 
  protected:
   IFWL_SpinButton();
 };
 
 #endif  // XFA_INCLUDE_FWL_BASEWIDGET_FWL_SPINBUTTON_H_