Rename IFWL classes which do not have CFWL equivalents

xfa/fwl/core/ifwl_listbox.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/ifwl_listbox.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 730 matching lines @@
 
 void IFWL_ListBox::InitScrollBar(bool bVert) {
   if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar))
     return;
 
   auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
   prop->m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
   prop->m_dwStates = FWL_WGTSTATE_Invisible;
   prop->m_pParent = this;
   prop->m_pThemeProvider = m_pScrollBarTP;
-  IFWL_ScrollBar* sb = new IFWL_ScrollBar(m_pOwnerApp, std::move(prop), this);
+  CFWL_ScrollBar* sb = new CFWL_ScrollBar(m_pOwnerApp, std::move(prop), this);
   if (bVert)
     m_pVertScrollBar.reset(sb);
   else
     m_pHorzScrollBar.reset(sb);
 }
 
 bool IFWL_ListBox::IsShowScrollBar(bool bVert) {
-  IFWL_ScrollBar* pScrollbar =
+  CFWL_ScrollBar* pScrollbar =
       bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get();
   if (!pScrollbar || (pScrollbar->GetStates() & FWL_WGTSTATE_Invisible))
     return false;
   return !(m_pProperties->m_dwStyleExes &
            FWL_STYLEEXT_LTB_ShowScrollBarFocus) ||
          (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
 }
 
 void IFWL_ListBox::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
@@ skipping 41 matching lines @@
 void IFWL_ListBox::OnProcessEvent(CFWL_Event* pEvent) {
   if (!pEvent)
     return;
   if (pEvent->GetClassID() != CFWL_EventType::Scroll)
     return;
 
   IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
   if ((pSrcTarget == m_pVertScrollBar.get() && m_pVertScrollBar) ||
       (pSrcTarget == m_pHorzScrollBar.get() && m_pHorzScrollBar)) {
     CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
-    OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget),
+    OnScroll(static_cast<CFWL_ScrollBar*>(pSrcTarget),
              pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
   }
 }
 
 void IFWL_ListBox::OnDrawWidget(CFX_Graphics* pGraphics,
                                 const CFX_Matrix* pMatrix) {
   DrawWidget(pGraphics, pMatrix);
 }
 
 void IFWL_ListBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
@@ skipping 108 matching lines @@
 
   SetFocusItem(pItem);
   ScrollToVisible(pItem);
 
   CFX_RectF rtInvalidate;
   rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
                    m_pProperties->m_rtWidget.height);
   Repaint(&rtInvalidate);
 }
 
-bool IFWL_ListBox::OnScroll(IFWL_ScrollBar* pScrollBar,
+bool IFWL_ListBox::OnScroll(CFWL_ScrollBar* pScrollBar,
                             FWL_SCBCODE dwCode,
                             FX_FLOAT fPos) {
   CFX_SizeF fs;
   pScrollBar->GetRange(&fs.x, &fs.y);
   FX_FLOAT iCurPos = pScrollBar->GetPos();
   FX_FLOAT fStep = pScrollBar->GetStepSize();
   switch (dwCode) {
     case FWL_SCBCODE::Min: {
       fPos = fs.x;
       break;
@@ skipping 156 matching lines @@
     CFWL_ListItem* pSel = static_cast<CFWL_ListItem*>(GetItem(this, iSel));
     pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected;
   }
   m_ItemArray.erase(m_ItemArray.begin() + nIndex);
   return true;
 }
 
 void IFWL_ListBox::DeleteAll() {
   m_ItemArray.clear();
 }