Move core/fpdfapi/fpdf_font to core/fpdfapi/font

core/fpdfapi/font/cpdf_type3char.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_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_
-#define CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_
+#ifndef CORE_FPDFAPI_FONT_CPDF_TYPE3CHAR_H_
+#define CORE_FPDFAPI_FONT_CPDF_TYPE3CHAR_H_
 
 #include <memory>
 
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_system.h"
 
 class CFX_DIBitmap;
 class CPDF_Form;
 class CPDF_RenderContext;
 
 class CPDF_Type3Char {
  public:
   // Takes ownership of |pForm|.
   explicit CPDF_Type3Char(CPDF_Form* pForm);
   ~CPDF_Type3Char();
 
   FX_BOOL LoadBitmap(CPDF_RenderContext* pContext);
 
   std::unique_ptr<CPDF_Form> m_pForm;
   std::unique_ptr<CFX_DIBitmap> m_pBitmap;
   FX_BOOL m_bColored;
   int m_Width;
   CFX_Matrix m_ImageMatrix;
   FX_RECT m_BBox;
 };
 
-#endif  // CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_
+#endif  // CORE_FPDFAPI_FONT_CPDF_TYPE3CHAR_H_