Revert of Revert of stop calling SkScalarDiv

samplecode/SampleStringArt.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkCanvas.h"
 
 // Reproduces https://code.google.com/p/chromium/issues/detail?id=279014
@@ skipping 24 matching lines @@
         SkScalar step = angle;
 
         SkPath path;
         path.moveTo(center);
 
         while (length < (SkScalarHalf(SkMinScalar(this->width(), this->height())) - 10.f))
         {
             SkPoint rp = SkPoint::Make(length*SkScalarCos(step) + center.fX,
                                        length*SkScalarSin(step) + center.fY);
             path.lineTo(rp);
-            length += SkScalarDiv(angle, SkScalarHalf(SK_ScalarPI));
+            length += angle / SkScalarHalf(SK_ScalarPI);
             step += angle;
         }
         path.close();
 
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setColor(0xFF007700);
 
         canvas->drawPath(path, paint);
     }
 
     SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned) override {
         fAngle = x/width();
         this->inval(NULL);
         return NULL;
     }
 private:
 
     SkScalar fAngle;
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new StringArtView; }
 static SkViewRegister reg(MyFactory);