Make CFX_WideString::FromLocal() take a CFX_ByteStringC arg

core/fpdfdoc/doc_form.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 <vector>
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
@@ skipping 17 matching lines @@
     {"GBK", 936},
     {"Shift-JIS", 932},
     {"UHC", 949},
 };
 
 CFX_WideString FPDFDOC_FDF_GetFieldValue(const CPDF_Dictionary& pFieldDict,
                                          const CFX_ByteString& bsEncoding) {
   const CFX_ByteString csBValue = pFieldDict.GetStringBy("V");
   for (const auto& encoding : g_fieldEncoding) {
     if (bsEncoding == encoding.m_name)
-      return CFX_WideString::FromCodePage(csBValue, encoding.m_codePage);
+      return CFX_WideString::FromCodePage(csBValue.AsByteStringC(),
+                                          encoding.m_codePage);
   }
   CFX_ByteString csTemp = csBValue.Left(2);
   if (csTemp == "\xFF\xFE" || csTemp == "\xFE\xFF")
     return PDF_DecodeText(csBValue);
-  return CFX_WideString::FromLocal(csBValue);
+  return CFX_WideString::FromLocal(csBValue.AsByteStringC());
 }
 
 }  // namespace
 
 class CFieldNameExtractor {
  public:
   explicit CFieldNameExtractor(const CFX_WideString& full_name) {
     m_pStart = full_name.c_str();
     m_pEnd = m_pStart + full_name.GetLength();
     m_pCur = m_pStart;
@@ skipping 1147 matching lines @@
     FDF_ImportField(pField, L"", bNotify);
   }
   if (bNotify && m_pFormNotify) {
     m_pFormNotify->AfterFormImportData(this);
   }
   return TRUE;
 }
 void CPDF_InterForm::SetFormNotify(const CPDF_FormNotify* pNotify) {
   m_pFormNotify = (CPDF_FormNotify*)pNotify;
 }