Remove FXSYS_MulDiv(a, b, c).

core/src/fxge/ge/fx_ge_path.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/include/fxcrt/fx_system.h"
 #include "core/include/fxge/fx_ge.h"
 #include "third_party/base/numerics/safe_math.h"
 
@@ skipping 248 matching lines @@
     int start_dir = middle_y > start_y ? 1 : -1;
     FX_FLOAT point_y = middle_y + half_width * start_dir;
     rect.UpdateRect(middle_x + half_width, point_y);
     rect.UpdateRect(middle_x - half_width, point_y);
     return;
   }
   if (!bStartVert) {
     start_k = (middle_y - start_y) / (middle_x - start_x);
     start_c = middle_y - (start_k * middle_x);
     start_len = FXSYS_sqrt2(start_x - middle_x, start_y - middle_y);
-    start_dc = (FX_FLOAT)FXSYS_fabs(
-        FXSYS_MulDiv(half_width, start_len, start_x - middle_x));
+    start_dc =
+        (FX_FLOAT)FXSYS_fabs(half_width * start_len / (start_x - middle_x));
   }
   if (!bEndVert) {
     end_k = (end_y - middle_y) / (end_x - middle_x);
     end_c = middle_y - (end_k * middle_x);
     end_len = FXSYS_sqrt2(end_x - middle_x, end_y - middle_y);
-    end_dc = (FX_FLOAT)FXSYS_fabs(
-        FXSYS_MulDiv(half_width, end_len, end_x - middle_x));
+    end_dc = (FX_FLOAT)FXSYS_fabs(half_width * end_len / (end_x - middle_x));
   }
   if (bStartVert) {
     FX_FLOAT outside_x = start_x;
     if (end_x < start_x) {
       outside_x += half_width;
     } else {
       outside_x -= half_width;
     }
     FX_FLOAT outside_y;
     if (start_y < (end_k * start_x) + end_c) {
@@ skipping 360 matching lines @@
 }
 void CFX_GraphStateData::SetDashCount(int count) {
   FX_Free(m_DashArray);
   m_DashArray = NULL;
   m_DashCount = count;
   if (count == 0) {
     return;
   }
   m_DashArray = FX_Alloc(FX_FLOAT, count);
 }