Get rid of NULLs in xfa/

xfa/fxfa/parser/xfa_script_resolveprocessor.cpp

Index: xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
diff --git a/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp b/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
index 6be5bd03e67c1d3b55b9e0357465fa613d179e2a..93c21ad3493db96716306d6f181bccf9c08dbf7f 100644
--- a/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
+++ b/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
@@ -25,9 +25,9 @@ CXFA_ResolveProcessor::~CXFA_ResolveProcessor(void) {
 }
 
 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes(CXFA_ResolveNodesData& rnd) {
-  if (rnd.m_CurNode == NULL) {
+  if (!rnd.m_CurNode)
     return -1;
-  }
+
   if (!rnd.m_CurNode->IsNode()) {
     if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) {
       return XFA_ResolveNodes_ForAttributeRs(rnd.m_CurNode, rnd,
@@ -84,7 +84,7 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_AnyChild(
     CXFA_ResolveNodesData& rnd) {
   CFX_WideString wsName = rnd.m_wsName;
   CFX_WideString wsCondition = rnd.m_wsCondition;
-  CXFA_Node* findNode = NULL;
+  CXFA_Node* findNode = nullptr;
   CXFA_NodeArray siblings;
   FX_BOOL bClassName = FALSE;
   if (wsName.GetAt(0) == '#') {
@@ -93,9 +93,9 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_AnyChild(
   }
   findNode = m_pNodeHelper->XFA_ResolveNodes_GetOneChild(
       ToNode(rnd.m_CurNode), wsName.c_str(), bClassName);
-  if (findNode == NULL) {
+  if (!findNode)
     return 0;
-  }
+
   if (wsCondition.IsEmpty()) {
     rnd.m_Nodes.Add(findNode);
     return rnd.m_Nodes.GetSize();
@@ -226,8 +226,8 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal(
   rndFind.m_uHashName = uNameHash;
   CXFA_NodeArray children;
   CXFA_NodeArray properties;
-  CXFA_Node* pVariablesNode = NULL;
-  CXFA_Node* pPageSetNode = NULL;
+  CXFA_Node* pVariablesNode = nullptr;
+  CXFA_Node* pPageSetNode = nullptr;
   CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild);
   while (pChild) {
     if (pChild->GetClassID() == XFA_ELEMENT_Variables) {
@@ -352,7 +352,7 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal(
       }
       return 0;
     }
-    CXFA_Node* pProp = NULL;
+    CXFA_Node* pProp = nullptr;
     if (XFA_ELEMENT_Subform == curNode->GetClassID() &&
         XFA_HASHCODE_Occur == uNameHash) {
       CXFA_Node* pInstanceManager =
@@ -649,7 +649,7 @@ void CXFA_ResolveProcessor::XFA_ResolveNode_ConditionArray(
         m_pNodeHelper->m_iCreateCount = 1;
         findNodes.RemoveAll();
         m_pNodeHelper->m_iCurAllStart = -1;
-        m_pNodeHelper->m_pAllStartParent = NULL;
+        m_pNodeHelper->m_pAllStartParent = nullptr;
       } else {
         if (m_pNodeHelper->m_iCurAllStart == -1) {
           m_pNodeHelper->m_iCurAllStart = m_iCurStart;