Make CFX_ByteString(const CFX_ByteStringC&) explicit.

core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp

 // Copyright 2016 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/cpdf_syntax_parser.h"
 
 #include <vector>
 
@@ skipping 199 matching lines @@
 
   CFX_ByteTextBuf buf;
   int32_t parlevel = 0;
   int32_t status = 0;
   int32_t iEscCode = 0;
   while (1) {
     switch (status) {
       case 0:
         if (ch == ')') {
           if (parlevel == 0) {
-            return buf.AsStringC();
+            return buf.MakeString();
           }
           parlevel--;
           buf.AppendChar(')');
         } else if (ch == '(') {
           parlevel++;
           buf.AppendChar('(');
         } else if (ch == '\\') {
           status = 1;
         } else {
           buf.AppendChar(ch);
@@ skipping 52 matching lines @@
         if (ch != '\n')
           continue;
         break;
     }
 
     if (!GetNextChar(ch))
       break;
   }
 
   GetNextChar(ch);
-  return buf.AsStringC();
+  return buf.MakeString();
 }
 
 CFX_ByteString CPDF_SyntaxParser::ReadHexString() {
   uint8_t ch;
   if (!GetNextChar(ch))
     return CFX_ByteString();
 
   CFX_ByteTextBuf buf;
   bool bFirst = true;
   uint8_t code = 0;
@@ skipping 11 matching lines @@
       }
       bFirst = !bFirst;
     }
 
     if (!GetNextChar(ch))
       break;
   }
   if (!bFirst)
     buf.AppendByte(code);
 
-  return buf.AsStringC();
+  return buf.MakeString();
 }
 
 void CPDF_SyntaxParser::ToNextLine() {
   uint8_t ch;
   while (GetNextChar(ch)) {
     if (ch == '\n')
       break;
 
     if (ch == '\r') {
       GetNextChar(ch);
@@ skipping 127 matching lines @@
       if (key.IsEmpty())
         continue;
 
       if (key == "/Contents")
         dwSignValuePos = m_Pos;
 
       CPDF_Object* pObj = GetObject(pObjList, objnum, gennum, true);
       if (!pObj)
         continue;
 
-      CFX_ByteStringC keyNoSlash(key.raw_str() + 1, key.GetLength() - 1);
+      CFX_ByteString keyNoSlash(key.raw_str() + 1, key.GetLength() - 1);
       pDict->SetAt(keyNoSlash, pObj);
     }
 
     // Only when this is a signature dictionary and has contents, we reset the
     // contents to the un-decrypted form.
     if (pDict->IsSignatureDict() && dwSignValuePos) {
       CFX_AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
       m_Pos = dwSignValuePos;
       pDict->SetAt("Contents", GetObject(pObjList, objnum, gennum, false));
     }
@@ skipping 498 matching lines @@
     if (limit && m_Pos == limit)
       return -1;
   }
   return -1;
 }
 
 void CPDF_SyntaxParser::SetEncrypt(
     std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler) {
   m_pCryptoHandler = std::move(pCryptoHandler);
 }