Cleanup includes, comments, and unused code

core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.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_objects.h"
+
 #include "core/include/fpdfapi/fpdf_parser.h"
-
 #include "core/include/fxcrt/fx_string.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
 
 const FX_DWORD kBlockSize = 1024;
 
 }  // namespace
 
 // static
@@ skipping 1156 matching lines @@
   }
   pObj->m_ObjNum = objnum;
   m_IndirectObjs.SetAt((void*)(uintptr_t)objnum, pObj);
   if (m_LastObjNum < objnum)
     m_LastObjNum = objnum;
   return TRUE;
 }
 FX_DWORD CPDF_IndirectObjects::GetLastObjNum() const {
   return m_LastObjNum;
 }