Make code compile with clang_use_chrome_plugin (part IV)

fpdfsdk/fpdfxfa/include/fpdfxfa_page.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 FPDFSDK_FPDFXFA_INCLUDE_FPDFXFA_PAGE_H_
 #define FPDFSDK_FPDFXFA_INCLUDE_FPDFXFA_PAGE_H_
 
 #include <memory>
 
-#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
-#include "core/fpdfapi/include/cpdf_modulemgr.h"
-#include "core/fxcrt/include/fx_coordinates.h"
 #include "core/fxcrt/include/fx_system.h"
 
+class CFX_Matrix;
 class CPDFXFA_Document;
+class CPDF_Dictionary;
 class CPDF_Page;
 class CXFA_FFPageView;
 
 class CPDFXFA_Page {
  public:
   CPDFXFA_Page(CPDFXFA_Document* pDoc, int page_index);
 
   void Retain() { m_iRef++; }
   void Release() {
     if (--m_iRef <= 0)
@@ skipping 49 matching lines @@
 
  private:
   std::unique_ptr<CPDF_Page> m_pPDFPage;
   CXFA_FFPageView* m_pXFAPageView;
   CPDFXFA_Document* const m_pDocument;
   const int m_iPageIndex;
   int m_iRef;
 };
 
 #endif  // FPDFSDK_FPDFXFA_INCLUDE_FPDFXFA_PAGE_H_