Remove relative includes.

core/include/fpdfdoc/fpdf_ap.h

 // 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
 
 #ifndef CORE_INCLUDE_FPDFDOC_FPDF_AP_H_
 #define CORE_INCLUDE_FPDFDOC_FPDF_AP_H_
 
-#include "../fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/fpdf_parser.h"
 #include "fpdf_vt.h"
 
 class IPVT_FontMap {
  public:
   virtual ~IPVT_FontMap() {}
   virtual CPDF_Font* GetPDFFont(int32_t nFontIndex) = 0;
   virtual CFX_ByteString GetPDFFontAlias(int32_t nFontIndex) = 0;
 };
 struct CPVT_Dash {
   CPVT_Dash(int32_t dash, int32_t gap, int32_t phase)
@@ skipping 76 matching lines @@
                                          const CPVT_Color& crLeftTop,
                                          const CPVT_Color& crRightBottom,
                                          int32_t nStyle,
                                          const CPVT_Dash& dash);
 
   static CFX_ByteString GenerateColorAP(const CPVT_Color& color,
                                         const FX_BOOL& bFillOrStroke);
 };
 
 #endif  // CORE_INCLUDE_FPDFDOC_FPDF_AP_H_