Remove widget offscreen code.

xfa/fwl/cfwl_widgetmgr.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_FWL_CFWL_WIDGETMGR_H_
 #define XFA_FWL_CFWL_WIDGETMGR_H_
 
 #include <map>
@@ skipping 31 matching lines @@
   CFWL_Widget* GetFirstChildWidget(CFWL_Widget* pWidget) const;
   CFWL_Widget* GetSystemFormWidget(CFWL_Widget* pWidget) const;
 
   void RepaintWidget(CFWL_Widget* pWidget, const CFX_RectF& pRect);
 
   void InsertWidget(CFWL_Widget* pParent, CFWL_Widget* pChild);
   void RemoveWidget(CFWL_Widget* pWidget);
   void SetOwner(CFWL_Widget* pOwner, CFWL_Widget* pOwned);
   void SetParent(CFWL_Widget* pParent, CFWL_Widget* pChild);
 
-  void SetWidgetRect_Native(CFWL_Widget* pWidget, const CFX_RectF& rect);
-
   CFWL_Widget* GetWidgetAtPoint(CFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy);
 
-  void NotifySizeChanged(CFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy);
-
   CFWL_Widget* NextTab(CFWL_Widget* parent, CFWL_Widget* focus, bool& bFind);
 
   void GetSameGroupRadioButton(CFWL_Widget* pRadioButton,
                                CFX_ArrayTemplate<CFWL_Widget*>& group) const;
   CFWL_Widget* GetDefaultButton(CFWL_Widget* pParent) const;
   void AddRedrawCounts(CFWL_Widget* pWidget);
 
   bool IsFormDisabled() const {
     return !!(m_dwCapability & FWL_WGTMGR_DisableForm);
   }
@@ skipping 36 matching lines @@
 
   void ResetRedrawCounts(CFWL_Widget* pWidget);
 
   void DrawChild(CFWL_Widget* pParent,
                  const CFX_RectF& rtClip,
                  CFX_Graphics* pGraphics,
                  const CFX_Matrix* pMatrix);
   CFX_Graphics* DrawWidgetBefore(CFWL_Widget* pWidget,
                                  CFX_Graphics* pGraphics,
                                  const CFX_Matrix* pMatrix);
-  void DrawWidgetAfter(CFWL_Widget* pWidget,
-                       CFX_Graphics* pGraphics,
-                       CFX_RectF& rtClip,
-                       const CFX_Matrix* pMatrix);
   bool IsNeedRepaint(CFWL_Widget* pWidget,
                      CFX_Matrix* pMatrix,
                      const CFX_RectF& rtDirty);
-  bool UseOffscreenDirect(CFWL_Widget* pWidget) const;
 
   bool IsAbleNative(CFWL_Widget* pWidget) const;
 
   uint32_t m_dwCapability;
   std::map<CFWL_Widget*, std::unique_ptr<Item>> m_mapWidgetItem;
   CXFA_FWLAdapterWidgetMgr* const m_pAdapter;
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
   CFX_RectF m_rtScreen;
 #endif
 };
 
 #endif  // XFA_FWL_CFWL_WIDGETMGR_H_