Remove FWL globals.

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"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fxfa/app/xfa_ffexclgroup.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffdoc.h"
 #include "xfa/fxfa/xfa_ffdocview.h"
 #include "xfa/fxfa/xfa_ffpageview.h"
 #include "xfa/fxfa/xfa_ffwidget.h"
 
 CXFA_FFCheckButton::CXFA_FFCheckButton(CXFA_FFPageView* pPageView,
                                        CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pPageView, pDataAcc), m_pOldDelegate(nullptr) {
   m_rtCheckBox.Set(0, 0, 0, 0);
 }
+
 CXFA_FFCheckButton::~CXFA_FFCheckButton() {}
+
 FX_BOOL CXFA_FFCheckButton::LoadWidget() {
-  CFWL_CheckBox* pCheckBox = new CFWL_CheckBox;
-  pCheckBox->Initialize();
+  CFWL_CheckBox* pCheckBox = new CFWL_CheckBox(GetFWLApp());
+  pCheckBox->Initialize(nullptr);
   m_pNormalWidget = pCheckBox;
   m_pNormalWidget->SetLayoutItem(this);
+
   IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
-  CFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
+  CFWL_NoteDriver* pNoteDriver = pWidget->GetOwnerApp()->GetNoteDriver();
   pNoteDriver->RegisterEventTarget(pWidget, pWidget);
   m_pOldDelegate = 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 281 matching lines @@
     default:
       break;
   }
   m_pOldDelegate->OnProcessEvent(pEvent);
 }
 
 void CXFA_FFCheckButton::OnDrawWidget(CFX_Graphics* pGraphics,
                                       const CFX_Matrix* pMatrix) {
   m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
 }