Revert of Revert of stop calling SkScalarDiv

src/gpu/effects/GrDashingEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDashingEffect.h"
 
 #include "GrBatch.h"
@@ skipping 117 matching lines @@
     return 0;
 }
 
 static SkScalar calc_end_adjustment(const SkScalar intervals[2], const SkPoint pts[2],
                                     SkScalar phase, SkScalar* endingInt) {
     if (pts[1].fX <= pts[0].fX) {
         return 0;
     }
     SkScalar srcIntervalLen = intervals[0] + intervals[1];
     SkScalar totalLen = pts[1].fX - pts[0].fX;
-    SkScalar temp = SkScalarDiv(totalLen, srcIntervalLen);
+    SkScalar temp = totalLen / srcIntervalLen;
     SkScalar numFullIntervals = SkScalarFloorToScalar(temp);
     *endingInt = totalLen - numFullIntervals * srcIntervalLen + phase;
-    temp = SkScalarDiv(*endingInt, srcIntervalLen);
+    temp = *endingInt / srcIntervalLen;
     *endingInt = *endingInt - SkScalarFloorToScalar(temp) * srcIntervalLen;
     if (0 == *endingInt) {
         *endingInt = srcIntervalLen;
     }
     if (*endingInt > intervals[0]) {
         if (0 == intervals[0]) {
             *endingInt -= 0.01f; // make sure we capture the last zero size pnt (used if has caps)
         }
         return *endingInt - intervals[0];
     }
@@ skipping 1191 matching lines @@
     info.fIntervals = intervals;
     info.fCount = 2;
     info.fPhase = phase;
     SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info);
     SkASSERT(success);
 
     return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT);
 }
 
 #endif