Remove CFWL_Note.

xfa/fxfa/app/xfa_ffcheckbutton.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/fxfa/app/xfa_ffcheckbutton.h"
 
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/ifwl_notedriver.h"
@@ skipping 280 matching lines @@
     return FALSE;
   }
   XFA_CHECKSTATE eState = m_pDataAcc->GetCheckState();
   SetFWLCheckState(eState);
   m_pNormalWidget->Update();
   return TRUE;
 }
 int32_t CXFA_FFCheckButton::OnProcessMessage(CFWL_Message* pMessage) {
   return m_pOldDelegate->OnProcessMessage(pMessage);
 }
+
 FWL_ERR CXFA_FFCheckButton::OnProcessEvent(CFWL_Event* pEvent) {
   CXFA_FFField::OnProcessEvent(pEvent);
-  uint32_t dwEventID = pEvent->GetClassID();
-  switch (dwEventID) {
-    case FWL_EVTHASH_CKB_CheckStateChanged: {
+  switch (pEvent->GetClassID()) {
+    case CFWL_EventType::CheckStateChanged: {
       CXFA_EventParam eParam;
       eParam.m_eType = XFA_EVENT_Change;
       m_pDataAcc->GetValue(eParam.m_wsNewText, XFA_VALUEPICTURE_Raw);
       CXFA_WidgetAcc* pFFExclGroup = m_pDataAcc->GetExclGroup();
       if (ProcessCommittedData()) {
         eParam.m_pTarget = pFFExclGroup;
         if (pFFExclGroup) {
           m_pDocView->AddValidateWidget(pFFExclGroup);
           m_pDocView->AddCalculateWidgetAcc(pFFExclGroup);
           pFFExclGroup->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam);
         }
         eParam.m_pTarget = m_pDataAcc;
         m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam);
       } else {
         SetFWLCheckState(m_pDataAcc->GetCheckState());
       }
       if (pFFExclGroup) {
         eParam.m_pTarget = pFFExclGroup;
         pFFExclGroup->ProcessEvent(XFA_ATTRIBUTEENUM_Click, &eParam);
       }
       eParam.m_pTarget = m_pDataAcc;
       m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Click, &eParam);
       break;
     }
-    default: {}
+    default:
+      break;
   }
   return m_pOldDelegate->OnProcessEvent(pEvent);
 }
+
 FWL_ERR CXFA_FFCheckButton::OnDrawWidget(CFX_Graphics* pGraphics,
                                          const CFX_Matrix* pMatrix) {
   return m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
 }