Explicity use CFX_ByteStrings in a couple of places

core/fpdfapi/fpdf_edit/fpdf_edit_create.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_edit/editint.h"
 
 #include <vector>
 
@@ skipping 1968 matching lines @@
   CPDF_Array* pOldIDArray = m_pParser ? m_pParser->GetIDArray() : NULL;
   FX_BOOL bNewId = !m_pIDArray;
   if (!m_pIDArray) {
     m_pIDArray = new CPDF_Array;
     CPDF_Object* pID1 = pOldIDArray ? pOldIDArray->GetObjectAt(0) : NULL;
     if (pID1) {
       m_pIDArray->Add(pID1->Clone());
     } else {
       std::vector<uint8_t> buffer =
           PDF_GenerateFileID((uint32_t)(uintptr_t) this, m_dwLastObjNum);
-      CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
+      CFX_ByteString bsBuffer(buffer.data(), buffer.size());
       m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
     }
   }
   if (!bDefault) {
     return;
   }
   if (pOldIDArray) {
     CPDF_Object* pID2 = pOldIDArray->GetObjectAt(1);
     if ((m_dwFlags & FPDFCREATE_INCREMENTAL) && m_pEncryptDict && pID2) {
       m_pIDArray->Add(pID2->Clone());
       return;
     }
     std::vector<uint8_t> buffer =
         PDF_GenerateFileID((uint32_t)(uintptr_t) this, m_dwLastObjNum);
-    CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
+    CFX_ByteString bsBuffer(buffer.data(), buffer.size());
     m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
     return;
   }
   m_pIDArray->Add(m_pIDArray->GetObjectAt(0)->Clone());
   if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) {
     if (m_pEncryptDict->GetStringBy("Filter") == "Standard") {
       CPDF_StandardSecurityHandler handler;
       CFX_ByteString user_pass = m_pParser->GetPassword();
       uint32_t flag = PDF_ENCRYPT_CONTENT;
       handler.OnCreate(m_pEncryptDict, m_pIDArray, user_pass.raw_str(),
@@ skipping 55 matching lines @@
   m_bNewCrypto = FALSE;
   if (!m_bStandardSecurity) {
     return;
   }
   if (m_pEncryptDict) {
     m_pEncryptDict->Release();
     m_pEncryptDict = NULL;
   }
   m_bStandardSecurity = FALSE;
 }