Remove IXFA_* interfaces.

xfa/include/fxfa/xfa_ffpageview.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_APP_XFA_FFPAGEVIEW_H_
-#define XFA_FXFA_APP_XFA_FFPAGEVIEW_H_
+#ifndef XFA_INCLUDE_FXFA_XFA_FFPAGEVIEW_H_
+#define XFA_INCLUDE_FXFA_XFA_FFPAGEVIEW_H_
 
 #include "xfa/fxfa/parser/xfa_doclayout.h"
 
 class CXFA_FFWidget;
 class CXFA_FFDocView;
-class CXFA_FFPageView : public CXFA_ContainerLayoutItem, public IXFA_PageView {
+class CXFA_FFPageView : public CXFA_ContainerLayoutItem {
  public:
   CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea);
   ~CXFA_FFPageView() override;
 
-  // IFXA_PageView:
-  IXFA_DocView* GetDocView() override;
-  int32_t GetPageViewIndex() override;
-  void GetPageViewRect(CFX_RectF& rtPage) override;
+  CXFA_FFDocView* GetDocView();
+  int32_t GetPageViewIndex();
+  void GetPageViewRect(CFX_RectF& rtPage);
   void GetDisplayMatrix(CFX_Matrix& mt,
                         const CFX_Rect& rtDisp,
-                        int32_t iRotate) override;
-  int32_t LoadPageView(IFX_Pause* pPause = NULL) override;
-  void UnloadPageView() override;
-  IXFA_Widget* GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy) override;
+                        int32_t iRotate);
+  int32_t LoadPageView(IFX_Pause* pPause = NULL);
+  void UnloadPageView();
+  CXFA_FFWidget* GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy);
   IXFA_WidgetIterator* CreateWidgetIterator(
       uint32_t dwTraverseWay = XFA_TRAVERSEWAY_Form,
       uint32_t dwWidgetFilter = XFA_WIDGETFILTER_Visible |
                                 XFA_WIDGETFILTER_Viewable |
-                                XFA_WIDGETFILTER_AllType) override;
+                                XFA_WIDGETFILTER_AllType);
 
   FX_BOOL IsPageViewLoaded();
 
  protected:
   CXFA_FFDocView* m_pDocView;
   FX_BOOL m_bLoaded;
 };
 typedef CXFA_NodeIteratorTemplate<CXFA_LayoutItem,
                                   CXFA_TraverseStrategy_LayoutItem>
     CXFA_LayoutItemIterator;
 class CXFA_FFPageWidgetIterator : public IXFA_WidgetIterator {
  public:
   CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView, uint32_t dwFilter);
   virtual ~CXFA_FFPageWidgetIterator();
   virtual void Release() { delete this; }
 
   virtual void Reset();
-  virtual IXFA_Widget* MoveToFirst();
-  virtual IXFA_Widget* MoveToLast();
-  virtual IXFA_Widget* MoveToNext();
-  virtual IXFA_Widget* MoveToPrevious();
-  virtual IXFA_Widget* GetCurrentWidget();
-  virtual FX_BOOL SetCurrentWidget(IXFA_Widget* hWidget);
+  virtual CXFA_FFWidget* MoveToFirst();
+  virtual CXFA_FFWidget* MoveToLast();
+  virtual CXFA_FFWidget* MoveToNext();
+  virtual CXFA_FFWidget* MoveToPrevious();
+  virtual CXFA_FFWidget* GetCurrentWidget();
+  virtual FX_BOOL SetCurrentWidget(CXFA_FFWidget* hWidget);
 
  protected:
-  IXFA_Widget* GetWidget(CXFA_LayoutItem* pLayoutItem);
+  CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
   CXFA_FFPageView* m_pPageView;
-  IXFA_Widget* m_hCurWidget;
+  CXFA_FFWidget* m_hCurWidget;
   uint32_t m_dwFilter;
   FX_BOOL m_bIgnorerelevant;
   CXFA_LayoutItemIterator m_sIterator;
 };
 typedef CFX_ArrayTemplate<CXFA_FFWidget*> CXFA_WidgetArray;
 class CXFA_TabParam {
  public:
   CXFA_TabParam() : m_pWidget(NULL) {}
   ~CXFA_TabParam() {}
 
   CXFA_FFWidget* m_pWidget;
   CXFA_WidgetArray m_Children;
 };
 class CXFA_FFTabOrderPageWidgetIterator : public IXFA_WidgetIterator {
  public:
   CXFA_FFTabOrderPageWidgetIterator(CXFA_FFPageView* pPageView,
                                     uint32_t dwFilter);
   virtual ~CXFA_FFTabOrderPageWidgetIterator();
 
   virtual void Release();
 
   virtual void Reset();
-  virtual IXFA_Widget* MoveToFirst();
-  virtual IXFA_Widget* MoveToLast();
-  virtual IXFA_Widget* MoveToNext();
-  virtual IXFA_Widget* MoveToPrevious();
-  virtual IXFA_Widget* GetCurrentWidget();
-  virtual FX_BOOL SetCurrentWidget(IXFA_Widget* hWidget);
+  virtual CXFA_FFWidget* MoveToFirst();
+  virtual CXFA_FFWidget* MoveToLast();
+  virtual CXFA_FFWidget* MoveToNext();
+  virtual CXFA_FFWidget* MoveToPrevious();
+  virtual CXFA_FFWidget* GetCurrentWidget();
+  virtual FX_BOOL SetCurrentWidget(CXFA_FFWidget* hWidget);
 
  protected:
   CXFA_WidgetArray m_TabOrderWidgetArray;
   CXFA_FFPageView* m_pPageView;
   uint32_t m_dwFilter;
   int32_t m_iCurWidget;
   FX_BOOL m_bIgnorerelevant;
   CXFA_FFWidget* GetTraverseWidget(CXFA_FFWidget* pWidget);
   CXFA_FFWidget* FindWidgetByName(const CFX_WideStringC& wsWidgetName,
                                   CXFA_FFWidget* pRefWidget);
   void CreateTabOrderWidgetArray();
   void CreateSpaceOrderWidgetArray(CXFA_WidgetArray& WidgetArray);
   CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
   void OrderContainer(CXFA_LayoutItemIterator* sIterator,
                       CXFA_LayoutItem* pContainerItem,
                       CXFA_TabParam* pContainer,
                       FX_BOOL& bCurrentItem,
                       FX_BOOL& bContentArea,
                       FX_BOOL bMarsterPage = FALSE);
 };
 
-#endif  // XFA_FXFA_APP_XFA_FFPAGEVIEW_H_
+#endif  // XFA_INCLUDE_FXFA_XFA_FFPAGEVIEW_H_