Remove IXFA_* interfaces.

xfa/fxfa/app/xfa_ffwidget.cpp

 // 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
 
 #include "xfa/fxfa/app/xfa_ffwidget.h"
 
 #include <algorithm>
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
 #include "core/include/fxcodec/fx_codec.h"
-#include "xfa/fxfa/app/xfa_ffapp.h"
-#include "xfa/fxfa/app/xfa_ffdoc.h"
-#include "xfa/fxfa/app/xfa_ffdocview.h"
-#include "xfa/fxfa/app/xfa_ffpageview.h"
 #include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
 #include "xfa/fxgraphics/cfx_pattern.h"
 #include "xfa/fxgraphics/cfx_shading.h"
 #include "xfa/fxgraphics/include/cfx_graphics.h"
+#include "xfa/include/fxfa/xfa_ffapp.h"
+#include "xfa/include/fxfa/xfa_ffdoc.h"
+#include "xfa/include/fxfa/xfa_ffdocview.h"
+#include "xfa/include/fxfa/xfa_ffpageview.h"
 
 CXFA_FFWidget::CXFA_FFWidget(CXFA_FFPageView* pPageView,
                              CXFA_WidgetAcc* pDataAcc)
     : CXFA_ContentLayoutItem(pDataAcc->GetNode()),
       m_pPageView(pPageView),
       m_pDataAcc(pDataAcc) {
   m_rtWidget.Set(0, 0, 0, 0);
 }
 CXFA_FFWidget::~CXFA_FFWidget() {}
-IXFA_PageView* CXFA_FFWidget::GetPageView() {
+CXFA_FFPageView* CXFA_FFWidget::GetPageView() {
   return m_pPageView;
 }
-void CXFA_FFWidget::SetPageView(IXFA_PageView* pPageView) {
-  m_pPageView = static_cast<CXFA_FFPageView*>(pPageView);
+void CXFA_FFWidget::SetPageView(CXFA_FFPageView* pPageView) {
+  m_pPageView = pPageView;
 }
 void CXFA_FFWidget::GetWidgetRect(CFX_RectF& rtWidget) {
   if ((m_dwStatus & XFA_WIDGETSTATUS_RectCached) == 0) {
     m_dwStatus |= XFA_WIDGETSTATUS_RectCached;
     GetRect(m_rtWidget);
   }
   rtWidget = m_rtWidget;
 }
 CFX_RectF CXFA_FFWidget::ReCacheWidgetRect() {
   m_dwStatus |= XFA_WIDGETSTATUS_RectCached;
@@ skipping 1909 matching lines @@
       iType != XFA_ELEMENT_Rectangle) {
     return;
   }
   CXFA_StrokeArray strokes;
   if (!(dwFlags & XFA_DRAWBOX_ForceRound) && iType != XFA_ELEMENT_Arc) {
     box.GetStrokes(strokes);
   }
   XFA_BOX_Fill(box, strokes, pGS, rtWidget, pMatrix, dwFlags);
   XFA_BOX_Stroke(box, strokes, pGS, rtWidget, pMatrix, dwFlags);
 }