Convert GetWidgetRect to return rect.

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 33 matching lines @@
 class CFWL_WidgetMgr;
 class CFWL_WidgetProperties;
 class IFWL_ThemeProvider;
 
 class CFWL_Widget : public IFWL_WidgetDelegate {
  public:
   ~CFWL_Widget() override;
 
   virtual FWL_Type GetClassID() const = 0;
   virtual bool IsInstance(const CFX_WideStringC& wsClass) const;
-  virtual void GetWidgetRect(CFX_RectF& rect, bool bAutoSize);
+  virtual CFX_RectF GetWidgetRect(bool bAutoSize);
   virtual void GetClientRect(CFX_RectF& rect);
   virtual void ModifyStylesEx(uint32_t dwStylesExAdded,
                               uint32_t dwStylesExRemoved);
   virtual void SetStates(uint32_t dwStates);
   virtual void RemoveStates(uint32_t dwStates);
   virtual void Update() = 0;
   virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy);
   virtual void DrawWidget(CFX_Graphics* pGraphics,
                           const CFX_Matrix* pMatrix) = 0;
   virtual void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
@@ skipping 121 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_