Add FPDFDest_GetLocationInPage API

core/fpdfdoc/cpdf_dest.h

 // 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
 
 #ifndef CORE_FPDFDOC_CPDF_DEST_H_
 #define CORE_FPDFDOC_CPDF_DEST_H_
 
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
 
 class CPDF_Document;
 class CPDF_Object;
 
 class CPDF_Dest {
  public:
   CPDF_Dest() : m_pObj(nullptr) {}
   explicit CPDF_Dest(CPDF_Object* pObj) : m_pObj(pObj) {}
 
   CPDF_Object* GetObject() const { return m_pObj; }
   CFX_ByteString GetRemoteName();
   int GetPageIndex(CPDF_Document* pDoc);
   uint32_t GetPageObjNum();
   int GetZoomMode();
   FX_FLOAT GetParam(int index);
 
+  bool GetXYZ(bool* pHasX,
+              bool* pHasY,
+              bool* pHasZoom,
+              float* pX,
+              float* pY,
+              float* pZoom) const;
+
  private:
   CPDF_Object* m_pObj;
 };
 
 #endif  // CORE_FPDFDOC_CPDF_DEST_H_