Banish CFX_ByteStringArray and CFX_WideStringArray to the XFA side.

fpdfsdk/include/fsdk_mgr.h

 // 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
 
 #ifndef FPDFSDK_INCLUDE_FSDK_MGR_H_
 #define FPDFSDK_INCLUDE_FSDK_MGR_H_
 
 #include <map>
@@ skipping 360 matching lines @@
       FPDF_WIDESTRING encode =
           (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
 
       return m_pInfo->FFI_PutRequestURL(m_pInfo, URL, data, encode);
     }
     return FALSE;
   }
 
   FPDF_BOOL FFI_ShowFileDialog(const FX_WCHAR* wsTitle,
                                const FX_WCHAR* wsFilter,
-                               CFX_WideStringArray& wsPathArr,
+                               std::vector<CFX_WideString>& wsPathArr,
                                FX_BOOL bOpen) {
     return FALSE;
   }
 
   CFX_WideString FFI_GetLanguage() {
     if (m_pInfo && m_pInfo->FFI_GetLanguage) {
       int nRequiredLen = m_pInfo->FFI_GetLanguage(m_pInfo, NULL, 0);
       if (nRequiredLen <= 0)
         return L"";
 
@@ skipping 262 matching lines @@
   FX_BOOL m_bTakeOverPage;
 #endif  // PDF_ENABLE_XFA
   FX_BOOL m_bEnterWidget;
   FX_BOOL m_bExitWidget;
   FX_BOOL m_bOnWidget;
   FX_BOOL m_bValid;
   FX_BOOL m_bLocked;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_MGR_H_