Split off CPDF_Parser and CPDF_SimpleParser into .h/.cpp files

core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.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/include/fpdfapi/fpdf_parser.h"
 
 #include <time.h>
 
+#include "core/include/fpdfapi/cpdf_parser.h"
+#include "core/include/fpdfapi/cpdf_simple_parser.h"
 #include "core/include/fdrm/fx_crypt.h"
 
 const uint8_t defpasscode[32] = {
     0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41, 0x64, 0x00, 0x4e,
     0x56, 0xff, 0xfa, 0x01, 0x08, 0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68,
     0x3e, 0x80, 0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a};
 void CalcEncryptKey(CPDF_Dictionary* pEncrypt,
                     const uint8_t* password,
                     FX_DWORD pass_size,
                     uint8_t* key,
@@ skipping 1006 matching lines @@
   str = dest_buf;
 }
 CPDF_StandardCryptoHandler::CPDF_StandardCryptoHandler() {
   m_pAESContext = NULL;
   m_Cipher = FXCIPHER_NONE;
   m_KeyLen = 0;
 }
 CPDF_StandardCryptoHandler::~CPDF_StandardCryptoHandler() {
   FX_Free(m_pAESContext);
 }