Convert GetWidgetRect to return rect.

xfa/fwl/core/cfwl_scrollbar.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_scrollbar.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 44 matching lines @@
   m_rtMinTrack.Reset();
   m_rtMaxTrack.Reset();
 }
 
 CFWL_ScrollBar::~CFWL_ScrollBar() {}
 
 FWL_Type CFWL_ScrollBar::GetClassID() const {
   return FWL_Type::ScrollBar;
 }
 
-void CFWL_ScrollBar::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
-  if (!bAutoSize) {
-    rect = m_pProperties->m_rtWidget;
-    return;
-  }
-
-  rect.Set(0, 0, 0, 0);
-  FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
-      GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-  if (!pfMinWidth)
-    return;
-  if (IsVertical())
-    rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
-  else
-    rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth));
-
-  InflateWidgetRect(rect);
-}
-
 void CFWL_ScrollBar::Update() {
   if (IsLocked())
     return;
   if (!m_pProperties->m_pThemeProvider)
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
 
   Layout();
 }
 
 void CFWL_ScrollBar::DrawWidget(CFX_Graphics* pGraphics,
@@ skipping 419 matching lines @@
 
 void CFWL_ScrollBar::Timer::Run(CFWL_TimerInfo* pTimerInfo) {
   CFWL_ScrollBar* pButton = static_cast<CFWL_ScrollBar*>(m_pWidget);
 
   if (pButton->m_pTimerInfo)
     pButton->m_pTimerInfo->StopTimer();
 
   if (!pButton->SendEvent())
     pButton->m_pTimerInfo = StartTimer(0, true);
 }