Change CXFA_Node::GetClassName to return

xfa/fxfa/fm2js/xfa_fm2jscontext.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/fm2js/xfa_fm2jscontext.h"
 
 #include <time.h>
 
@@ skipping 6240 matching lines @@
     if (pRefValue && pRefValue->IsNull()) {
       pNode = pScriptContext->GetThisObject();
       dFlags = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent;
     } else {
       pNode = CXFA_ScriptContext::ToObject(pRefValue, nullptr);
       ASSERT(pNode);
       if (bHasNoResolveName) {
         CFX_WideString wsName;
         if (CXFA_Node* pXFANode = pNode->AsNode())
           pXFANode->GetAttribute(XFA_ATTRIBUTE_Name, wsName, FALSE);
+        if (wsName.IsEmpty())
+          wsName = FX_WSTRC(L"#") + pNode->GetClassName();
 
-        if (wsName.IsEmpty()) {
-          CFX_WideStringC className;
-          pNode->GetClassName(className);
-          wsName = FX_WSTRC(L"#") + className;
-        }
         wsSomExpression = wsName + wsSomExpression;
         dFlags = XFA_RESOLVENODE_Siblings;
       } else {
         dFlags = (bsSomExp == "*")
                      ? (XFA_RESOLVENODE_Children)
                      : (XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Attributes |
                         XFA_RESOLVENODE_Properties);
       }
     }
   } else {
@@ skipping 249 matching lines @@
   CFX_WideString wsFormat;
   pAppProvider->LoadString(iStringID, wsFormat);
   CFX_WideString wsMessage;
   va_list arg_ptr;
   va_start(arg_ptr, iStringID);
   wsMessage.FormatV(wsFormat.c_str(), arg_ptr);
   va_end(arg_ptr);
   FXJSE_ThrowMessage(
       FX_UTF8Encode(wsMessage.c_str(), wsMessage.GetLength()).AsStringC());
 }