Rename xfa_doclayout and xfa_document_layout_imp files.

xfa/fxfa/include/xfa_ffwidget.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_FXFA_INCLUDE_XFA_FFWIDGET_H_
 #define XFA_FXFA_INCLUDE_XFA_FFWIDGET_H_
 
 #include <vector>
 
 #include "core/fxcodec/include/fx_codec_def.h"
 #include "core/fxge/include/fx_ge.h"
 #include "xfa/fxfa/include/fxfa.h"
-#include "xfa/fxfa/parser/xfa_doclayout.h"
+#include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
 
 class CXFA_FFPageView;
 class CXFA_FFDocView;
 class CXFA_FFDoc;
 class CXFA_FFApp;
 enum class FWL_WidgetHit;
 
 inline FX_FLOAT XFA_UnitPx2Pt(FX_FLOAT fPx, FX_FLOAT fDpi) {
   return fPx * 72.0f / fDpi;
 }
@@ skipping 151 matching lines @@
 FX_BOOL XFA_IsCreateWidget(XFA_Element iType);
 #define XFA_DRAWBOX_ForceRound 1
 #define XFA_DRAWBOX_Lowered3D 2
 void XFA_DrawBox(CXFA_Box box,
                  CFX_Graphics* pGS,
                  const CFX_RectF& rtWidget,
                  CFX_Matrix* pMatrix,
                  uint32_t dwFlags = 0);
 
 #endif  // XFA_FXFA_INCLUDE_XFA_FFWIDGET_H_