Revert of stop calling SkScalarDiv

src/core/SkScalar.cpp

 
 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkMath.h"
@@ skipping 13 matching lines @@
         right++;
     // Could use sentinel values to eliminate conditionals, but since the
     // tables are taken as input, a simpler format is better.
     if (length == right)
         return values[length-1];
     if (0 == right)
         return values[0];
     // Otherwise, interpolate between right - 1 and right.
     SkScalar rightKey = keys[right];
     SkScalar leftKey = keys[right-1];
-    SkScalar fract = (searchKey - leftKey) / (rightKey - leftKey);
+    SkScalar fract = SkScalarDiv(searchKey-leftKey,rightKey-leftKey);
     return SkScalarInterp(values[right-1], values[right], fract);
 }