Replace CFX_WideStringCArray with std::vector.

xfa/fxfa/fm2js/xfa_program.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_program.h"
 
 #include <utility>
 #include <vector>
 
 #include "third_party/base/ptr_util.h"
 
 CXFA_FMProgram::CXFA_FMProgram(const CFX_WideStringC& wsFormcalc)
     : m_parse(wsFormcalc, &m_pErrorInfo) {}
 
 CXFA_FMProgram::~CXFA_FMProgram() {}
 
 int32_t CXFA_FMProgram::ParseProgram() {
   m_parse.NextToken();
   if (!m_pErrorInfo.message.IsEmpty())
     return -1;
 
   std::vector<std::unique_ptr<CXFA_FMExpression>> expressions =
       m_parse.ParseTopExpression();
   if (!m_pErrorInfo.message.IsEmpty())
     return -1;
 
+  std::vector<CFX_WideStringC> arguments;
   m_globalFunction = pdfium::MakeUnique<CXFA_FMFunctionDefinition>(
-      1, true, L"", nullptr, std::move(expressions));
+      1, true, L"", std::move(arguments), std::move(expressions));
   return 0;
 }
 
 int32_t CXFA_FMProgram::TranslateProgram(CFX_WideTextBuf& wsJavaScript) {
   m_globalFunction->ToJavaScript(wsJavaScript);
   wsJavaScript.AppendChar(0);
   return 0;
 }