Remove CFX_MapPtrToPtr from xfa/fxfa.

xfa/fxfa/parser/cxfa_document.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 "core/fxcrt/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 #include "xfa/fxfa/parser/cscript_datawindow.h"
 #include "xfa/fxfa/parser/cscript_eventpseudomodel.h"
@@ skipping 333 matching lines @@
     }
   }
   return nullptr;
 }
 
 void CXFA_Document::DoProtoMerge() {
   CXFA_Node* pTemplateRoot = ToNode(GetXFAObject(XFA_HASHCODE_Template));
   if (!pTemplateRoot)
     return;
 
-  CFX_MapPtrTemplate<uint32_t, CXFA_Node*> mIDMap;
+  std::map<uint32_t, CXFA_Node*> mIDMap;
   CXFA_NodeSet sUseNodes;
   CXFA_NodeIterator sIterator(pTemplateRoot);
   for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
        pNode = sIterator.MoveToNext()) {
     CFX_WideStringC wsIDVal;
     if (pNode->TryCData(XFA_ATTRIBUTE_Id, wsIDVal) && !wsIDVal.IsEmpty()) {
       mIDMap[FX_HashCode_GetW(wsIDVal, false)] = pNode;
     }
     CFX_WideStringC wsUseVal;
     if (pNode->TryCData(XFA_ATTRIBUTE_Use, wsUseVal) && !wsUseVal.IsEmpty()) {
@@ skipping 38 matching lines @@
       continue;
 
     CXFA_Node* pProtoNode = nullptr;
     if (!wsSOM.IsEmpty()) {
       uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Attributes |
                         XFA_RESOLVENODE_Properties | XFA_RESOLVENODE_Parent |
                         XFA_RESOLVENODE_Siblings;
       XFA_RESOLVENODE_RS resoveNodeRS;
       int32_t iRet = m_pScriptContext->ResolveObjects(pUseHrefNode, wsSOM,
                                                       resoveNodeRS, dwFlag);
-      if (iRet > 0 && resoveNodeRS.nodes[0]->IsNode()) {
+      if (iRet > 0 && resoveNodeRS.nodes[0]->IsNode())
         pProtoNode = resoveNodeRS.nodes[0]->AsNode();
-      }
     } else if (!wsID.IsEmpty()) {
-      if (!mIDMap.Lookup(FX_HashCode_GetW(wsID, false), pProtoNode)) {
+      auto it = mIDMap.find(FX_HashCode_GetW(wsID, false));
+      if (it == mIDMap.end())
         continue;
-      }
+      pProtoNode = it->second;
     }
     if (!pProtoNode)
       continue;
 
     MergeNode(this, pUseHrefNode, pProtoNode);
   }
 }