Remove FXSYS_Div.

core/src/fpdfapi/fpdf_page/fpdf_page.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 "core/src/fpdfapi/fpdf_page/pageint.h"
 
 #include <algorithm>
 
@@ skipping 734 matching lines @@
       break;
     case 3:
       x0 = xPos + xSize;
       y0 = yPos + ySize;
       x1 = xPos;
       y1 = yPos + ySize;
       x2 = xPos + xSize;
       y2 = yPos;
       break;
   }
-  display_matrix.Set(FXSYS_Div((FX_FLOAT)(x2 - x0), m_PageWidth),
-                     FXSYS_Div((FX_FLOAT)(y2 - y0), m_PageWidth),
-                     FXSYS_Div((FX_FLOAT)(x1 - x0), m_PageHeight),
-                     FXSYS_Div((FX_FLOAT)(y1 - y0), m_PageHeight), (FX_FLOAT)x0,
-                     (FX_FLOAT)y0);
+  display_matrix.Set(
+      ((FX_FLOAT)(x2 - x0)) / m_PageWidth, ((FX_FLOAT)(y2 - y0)) / m_PageWidth,
+      ((FX_FLOAT)(x1 - x0)) / m_PageHeight,
+      ((FX_FLOAT)(y1 - y0)) / m_PageHeight, (FX_FLOAT)x0, (FX_FLOAT)y0);
   matrix = m_PageMatrix;
   matrix.Concat(display_matrix);
 }
 
 CPDF_ParseOptions::CPDF_ParseOptions() {
   m_bTextOnly = FALSE;
   m_bMarkedContent = TRUE;
   m_bSeparateForm = TRUE;
   m_bDecodeInlineImage = FALSE;
 }