Make CFX_ByteString(const CFX_ByteStringC&) explicit.

core/fpdfapi/fpdf_parser/fpdf_parser_decode.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/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
 
 #include <limits.h>
 #include <utility>
@@ skipping 510 matching lines @@
 CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, FX_BOOL bHex) {
   CFX_ByteTextBuf result;
   int srclen = src.GetLength();
   if (bHex) {
     result.AppendChar('<');
     for (int i = 0; i < srclen; i++) {
       result.AppendChar("0123456789ABCDEF"[src[i] / 16]);
       result.AppendChar("0123456789ABCDEF"[src[i] % 16]);
     }
     result.AppendChar('>');
-    return result.AsStringC();
+    return result.MakeString();
   }
   result.AppendChar('(');
   for (int i = 0; i < srclen; i++) {
     uint8_t ch = src[i];
     if (ch == ')' || ch == '\\' || ch == '(') {
       result.AppendChar('\\');
     } else if (ch == 0x0a) {
       result << "\\n";
       continue;
     } else if (ch == 0x0d) {
       result << "\\r";
       continue;
     }
     result.AppendChar(ch);
   }
   result.AppendChar(')');
-  return result.AsStringC();
+  return result.MakeString();
 }
 
 void FlateEncode(const uint8_t* src_buf,
                  uint32_t src_size,
                  uint8_t*& dest_buf,
                  uint32_t& dest_size) {
   CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
   if (pEncoders) {
     pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf, dest_size);
   }
@@ skipping 19 matching lines @@
                      uint32_t src_size,
                      uint8_t*& dest_buf,
                      uint32_t& dest_size) {
   CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
   if (pEncoders) {
     return pEncoders->GetFlateModule()->FlateOrLZWDecode(
         FALSE, src_buf, src_size, FALSE, 0, 0, 0, 0, 0, dest_buf, dest_size);
   }
   return 0;
 }