Convert GetWidgetRect to return rect.

xfa/fwl/core/cfwl_form.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/fwl/core/cfwl_form.h"
 
 #include <utility>
 
@@ skipping 62 matching lines @@
 FWL_Type CFWL_Form::GetClassID() const {
   return FWL_Type::Form;
 }
 
 bool CFWL_Form::IsInstance(const CFX_WideStringC& wsClass) const {
   if (wsClass == CFX_WideStringC(FWL_CLASS_Form))
     return true;
   return CFWL_Widget::IsInstance(wsClass);
 }
 
-void CFWL_Form::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
-  if (!bAutoSize) {
-    rect = m_pProperties->m_rtWidget;
-    return;
-  }
+CFX_RectF CFWL_Form::GetWidgetRect(bool bAutoSize) {
+  if (!bAutoSize)
+    return m_pProperties->m_rtWidget;
 
-  rect.Reset();
   FX_FLOAT fCXBorder = GetBorderSize(true);
   FX_FLOAT fCYBorder = GetBorderSize(false);
   FX_FLOAT fEdge = GetEdgeWidth();
-  rect.height += fCYBorder + fEdge + fEdge;
-  rect.width += fCXBorder + fCXBorder + fEdge + fEdge;
+  CFX_RectF rect;
+  rect.Set(0, 0, fCXBorder + fCXBorder + fEdge + fEdge,
+           fCYBorder + fEdge + fEdge);
+  return rect;
 }
 
 void CFWL_Form::GetClientRect(CFX_RectF& rect) {
   rect = m_pProperties->m_rtWidget;
   rect.Offset(-rect.left, -rect.top);
 }
 
 void CFWL_Form::Update() {
   if (m_iLock > 0)
     return;
@@ skipping 524 matching lines @@
       HitTest(pMsg->m_fx, pMsg->m_fy) == FWL_WidgetHit::Titlebar) {
     if (m_bMaximized)
       SetWidgetRect(m_rtRestore);
     else
       SetWorkAreaRect();
 
     Update();
     m_bMaximized = !m_bMaximized;
   }
 }