Get rid of NULLs in xfa/

xfa/fxfa/app/xfa_ffwidgethandler.cpp

Index: xfa/fxfa/app/xfa_ffwidgethandler.cpp
diff --git a/xfa/fxfa/app/xfa_ffwidgethandler.cpp b/xfa/fxfa/app/xfa_ffwidgethandler.cpp
index 027c3d9fa8320e64c56f36c2869c4801514e0bd5..5ca1b11f7e393b1c1ba329f15620d466c7c999c2 100644
--- a/xfa/fxfa/app/xfa_ffwidgethandler.cpp
+++ b/xfa/fxfa/app/xfa_ffwidgethandler.cpp
@@ -482,7 +482,7 @@ CXFA_Node* CXFA_FFWidgetHandler::CreateSubform(CXFA_Node* pParent,
 CXFA_Node* CXFA_FFWidgetHandler::CreateFormItem(XFA_ELEMENT eElement,
                                                 CXFA_Node* pParent,
                                                 CXFA_Node* pBefore) const {
-  CXFA_Node* pTemplateParent = pParent ? pParent->GetTemplateNode() : NULL;
+  CXFA_Node* pTemplateParent = pParent ? pParent->GetTemplateNode() : nullptr;
   CXFA_Node* pNewFormItem = pTemplateParent->CloneTemplateToForm(FALSE);
   if (pParent)
     pParent->InsertChild(pNewFormItem, pBefore);
@@ -492,10 +492,10 @@ CXFA_Node* CXFA_FFWidgetHandler::CreateFormItem(XFA_ELEMENT eElement,
 CXFA_Node* CXFA_FFWidgetHandler::CreateCopyNode(XFA_ELEMENT eElement,
                                                 CXFA_Node* pParent,
                                                 CXFA_Node* pBefore) const {
-  CXFA_Node* pTemplateParent = pParent ? pParent->GetTemplateNode() : NULL;
+  CXFA_Node* pTemplateParent = pParent ? pParent->GetTemplateNode() : nullptr;
   CXFA_Node* pNewNode =
       CreateTemplateNode(eElement, pTemplateParent,
-                         pBefore ? pBefore->GetTemplateNode() : NULL)
+                         pBefore ? pBefore->GetTemplateNode() : nullptr)
           ->Clone(FALSE);
   if (pParent)
     pParent->InsertChild(pNewNode, pBefore);