Convert GetWidgetRect to return rect.

xfa/fwl/core/cfwl_spinbutton.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_spinbutton.h"
 
 #include <memory>
 #include <utility>
@@ skipping 31 matching lines @@
   m_rtDnButton.Reset();
   m_pProperties->m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
 }
 
 CFWL_SpinButton::~CFWL_SpinButton() {}
 
 FWL_Type CFWL_SpinButton::GetClassID() const {
   return FWL_Type::SpinButton;
 }
 
-void CFWL_SpinButton::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
-  if (!bAutoSize) {
-    rect = m_pProperties->m_rtWidget;
-    return;
-  }
+CFX_RectF CFWL_SpinButton::GetWidgetRect(bool bAutoSize) {
+  if (!bAutoSize)
+    return m_pProperties->m_rtWidget;
 
+  CFX_RectF rect;
   rect.Set(0, 0, kMinWidth, kMinHeight);
   InflateWidgetRect(rect);
+  return rect;
 }
 
 void CFWL_SpinButton::Update() {
   if (IsLocked())
     return;
 
   GetClientRect(m_rtClient);
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) {
     m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width,
                      m_rtClient.height / 2);
@@ skipping 297 matching lines @@
 
 void CFWL_SpinButton::Timer::Run(CFWL_TimerInfo* pTimerInfo) {
   CFWL_SpinButton* pButton = static_cast<CFWL_SpinButton*>(m_pWidget);
 
   if (!pButton->m_pTimerInfo)
     return;
 
   CFWL_Event wmPosChanged(CFWL_Event::Type::Click, pButton);
   pButton->DispatchEvent(&wmPosChanged);
 }