Rename fpdfsdk/fpdfxfa files to match contents

fpdfsdk/cpdfsdk_widget.cpp

 // Copyright 2016 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
 
 #include "fpdfsdk/cpdfsdk_widget.h"
 
 #include <memory>
 
@@ skipping 13 matching lines @@
 #include "fpdfsdk/cpdfsdk_interform.h"
 #include "fpdfsdk/cpdfsdk_pageview.h"
 #include "fpdfsdk/formfiller/cba_fontmap.h"
 #include "fpdfsdk/fsdk_actionhandler.h"
 #include "fpdfsdk/fsdk_define.h"
 #include "fpdfsdk/fxedit/fxet_edit.h"
 #include "fpdfsdk/pdfwindow/PWL_Edit.h"
 #include "fpdfsdk/pdfwindow/PWL_Utils.h"
 
 #ifdef PDF_ENABLE_XFA
-#include "fpdfsdk/fpdfxfa/fpdfxfa_doc.h"
+#include "fpdfsdk/fpdfxfa/cpdfxfa_document.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/fxfa_widget.h"
 #include "xfa/fxfa/xfa_ffdocview.h"
 #include "xfa/fxfa/xfa_ffwidget.h"
 #include "xfa/fxfa/xfa_ffwidgethandler.h"
 #endif  // PDF_ENABLE_XFA
 
 namespace {
 
 // Convert a FX_ARGB to a FX_COLORREF.
@@ skipping 1902 matching lines @@
     return FALSE;
 
   if (!IsVisible())
     return FALSE;
 
   if ((GetFieldFlags() & FIELDFLAG_READONLY) == FIELDFLAG_READONLY)
     return FALSE;
 
   return TRUE;
 }