Remove relative includes.

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.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 "parser_int.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
-#include "../fpdf_page/pageint.h"
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
 #include "core/include/fpdfapi/fpdf_parser.h"
 #include "core/include/fxcrt/fx_safe_types.h"
+#include "core/src/fpdfapi/fpdf_page/pageint.h"
 #include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
 
 struct SearchTagRecord {
   const uint8_t* m_pTag;
   FX_DWORD m_Len;
   FX_DWORD m_Offset;
 };
@@ skipping 4923 matching lines @@
   if (!m_pLinearizedDict)
     return -1;
   CPDF_Array* pRange = m_pLinearizedDict->GetArray(FX_BSTRC("H"));
   if (!pRange)
     return -1;
   CPDF_Object* pStreamLen = pRange->GetElementValue(1);
   if (!pStreamLen)
     return -1;
   return pStreamLen->GetInteger();
 }