Remove CFX_ByteString::Load() and operator= for CFX_ByteTextBuf

core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.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/cpdf_standard_crypto_handler.h"
 
 #include <time.h>
 
 #include "core/fdrm/crypto/include/fx_crypt.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
 #include "core/fpdfapi/fpdf_parser/ipdf_security_handler.h"
 
 IPDF_CryptoHandler::~IPDF_CryptoHandler() {}
 
 void IPDF_CryptoHandler::Decrypt(uint32_t objnum,
                                  uint32_t gennum,
                                  CFX_ByteString& str) {
   CFX_BinaryBuf dest_buf;
   void* context = DecryptStart(objnum, gennum);
-  DecryptStream(context, (const uint8_t*)str, str.GetLength(), dest_buf);
+  DecryptStream(context, str.raw_str(), str.GetLength(), dest_buf);
   DecryptFinish(context, dest_buf);
-  str = dest_buf;
+  str = CFX_ByteString(dest_buf.GetBuffer(), dest_buf.GetSize());
 }
 
 void CPDF_StandardCryptoHandler::CryptBlock(FX_BOOL bEncrypt,
                                             uint32_t objnum,
                                             uint32_t gennum,
                                             const uint8_t* src_buf,
                                             uint32_t src_size,
                                             uint8_t* dest_buf,
                                             uint32_t& dest_size) {
   if (m_Cipher == FXCIPHER_NONE) {
@@ skipping 297 matching lines @@
   return TRUE;
 }
 CPDF_StandardCryptoHandler::CPDF_StandardCryptoHandler() {
   m_pAESContext = NULL;
   m_Cipher = FXCIPHER_NONE;
   m_KeyLen = 0;
 }
 CPDF_StandardCryptoHandler::~CPDF_StandardCryptoHandler() {
   FX_Free(m_pAESContext);
 }