Split CFWL_Widget::GetWidgetRect into two parts

xfa/fwl/core/cfwl_widget.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_CORE_CFWL_WIDGET_H_
 #define XFA_FWL_CORE_CFWL_WIDGET_H_
 #include <memory>
 
@@ skipping 51 matching lines @@
   virtual void DrawWidget(CFX_Graphics* pGraphics,
                           const CFX_Matrix* pMatrix) = 0;
   virtual void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
 
   // IFWL_WidgetDelegate.
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnProcessEvent(CFWL_Event* pEvent) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix) override;
 
+  void InflateWidgetRect(CFX_RectF& rect);
   void SetWidgetRect(const CFX_RectF& rect);
 
   void SetParent(CFWL_Widget* pParent);
 
   CFWL_Widget* GetOwner() { return m_pWidgetMgr->GetOwnerWidget(this); }
   CFWL_Widget* GetOuter() const { return m_pOuter; }
 
   uint32_t GetStyles() const;
   void ModifyStyles(uint32_t dwStylesAdded, uint32_t dwStylesRemoved);
   uint32_t GetStylesEx() const;
@@ skipping 103 matching lines @@
                       const CFX_Matrix* pMatrix);
   void NotifyDriver();
   bool IsParent(CFWL_Widget* pParent);
 
   void* m_pLayoutItem;
   uint32_t m_nEventKey;
   IFWL_WidgetDelegate* m_pDelegate;  // Not owned.
 };
 
 #endif  // XFA_FWL_CORE_CFWL_WIDGET_H_