Merge delegates into IFWL_* classes.

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_checkbox.h"
 #include "xfa/fwl/core/cfwl_message.h"
@@ skipping 18 matching lines @@
 FX_BOOL CXFA_FFCheckButton::LoadWidget() {
   CFWL_CheckBox* pCheckBox = new CFWL_CheckBox(GetFWLApp());
   pCheckBox->Initialize();
   m_pNormalWidget = pCheckBox;
   m_pNormalWidget->SetLayoutItem(this);
 
   IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
   CFWL_NoteDriver* pNoteDriver = pWidget->GetOwnerApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pWidget, pWidget);
 
-  m_pOldDelegate = m_pNormalWidget->GetCurrentDelegate();
-  m_pNormalWidget->SetCurrentDelegate(this);
+  m_pOldDelegate = m_pNormalWidget->GetDelegate();
+  m_pNormalWidget->SetDelegate(this);
 
   if (m_pDataAcc->IsRadioButton())
     pCheckBox->ModifyStylesEx(FWL_STYLEEXT_CKB_RadioButton, 0xFFFFFFFF);
 
   m_pNormalWidget->LockUpdate();
   UpdateWidgetProperty();
   SetFWLCheckState(m_pDataAcc->GetCheckState());
   m_pNormalWidget->UnlockUpdate();
   return CXFA_FFField::LoadWidget();
 }
@@ skipping 280 matching lines @@
     default:
       break;
   }
   m_pOldDelegate->OnProcessEvent(pEvent);
 }
 
 void CXFA_FFCheckButton::OnDrawWidget(CFX_Graphics* pGraphics,
                                       const CFX_Matrix* pMatrix) {
   m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
 }