Rename GetElementValue() to GetDirectObject{By,At}().

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 612 matching lines @@
 
   if (byte1 == '\r' || byte1 == '\n')
     return 1;
 
   return 0;
 }
 
 CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict,
                                            uint32_t objnum,
                                            uint32_t gennum) {
-  CPDF_Object* pLenObj = pDict->GetElement("Length");
+  CPDF_Object* pLenObj = pDict->GetObjectBy("Length");
   FX_FILESIZE len = -1;
   CPDF_Reference* pLenObjRef = ToReference(pLenObj);
 
   bool differingObjNum = !pLenObjRef || (pLenObjRef->GetObjList() &&
                                          pLenObjRef->GetRefObjNum() != objnum);
   if (pLenObj && differingObjNum)
     len = pLenObj->GetInteger();
 
   // Locate the start of stream.
   ToNextLine();
@@ skipping 337 matching lines @@
     if (limit && m_Pos == limit)
       return -1;
   }
   return -1;
 }
 
 void CPDF_SyntaxParser::SetEncrypt(
     std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler) {
   m_pCryptoHandler = std::move(pCryptoHandler);
 }