Revert of stop calling SkScalarDiv

src/core/SkRRect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRRect.h"
 #include "SkMatrix.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkRRect::setRectXY(const SkRect& rect, SkScalar xRad, SkScalar yRad) {
     if (rect.isEmpty() || !rect.isFinite()) {
         this->setEmpty();
         return;
     }
 
     if (!SkScalarsAreFinite(xRad, yRad)) {
         xRad = yRad = 0;    // devolve into a simple rect
     }
     if (xRad <= 0 || yRad <= 0) {
         // all corners are square in this case
         this->setRect(rect);
         return;
     }
 
     if (rect.width() < xRad+xRad || rect.height() < yRad+yRad) {
-        SkScalar scale = SkMinScalar(rect.width() / (xRad + xRad), rect.height() / (yRad + yRad));
+        SkScalar scale = SkMinScalar(SkScalarDiv(rect.width(), xRad + xRad),
+                                     SkScalarDiv(rect.height(), yRad + yRad));
         SkASSERT(scale < SK_Scalar1);
         xRad = SkScalarMul(xRad, scale);
         yRad = SkScalarMul(yRad, scale);
     }
 
     fRect = rect;
     for (int i = 0; i < 4; ++i) {
         fRadii[i].set(xRad, yRad);
     }
     fType = kSimple_Type;
@@ skipping 18 matching lines @@
         return;
     }
 
     leftRad = SkMaxScalar(leftRad, 0);
     topRad = SkMaxScalar(topRad, 0);
     rightRad = SkMaxScalar(rightRad, 0);
     bottomRad = SkMaxScalar(bottomRad, 0);
 
     SkScalar scale = SK_Scalar1;
     if (leftRad + rightRad > rect.width()) {
-        scale = rect.width() / (leftRad + rightRad);
+        scale = SkScalarDiv(rect.width(), leftRad + rightRad);
     }
     if (topRad + bottomRad > rect.height()) {
-        scale = SkMinScalar(scale, rect.height() / (topRad + bottomRad));
+        scale = SkMinScalar(scale, SkScalarDiv(rect.height(), topRad + bottomRad));
     }
 
     if (scale < SK_Scalar1) {
         leftRad = SkScalarMul(leftRad, scale);
         topRad = SkScalarMul(topRad, scale);
         rightRad = SkScalarMul(rightRad, scale);
         bottomRad = SkScalarMul(bottomRad, scale);
     }
 
     if (leftRad == rightRad && topRad == bottomRad) {
@@ skipping 504 matching lines @@
     }
 
     for (int i = 0; i < 4; ++i) {
         validate_radius_check_predicates(fRadii[i].fX, fRect.fLeft, fRect.fRight);
         validate_radius_check_predicates(fRadii[i].fY, fRect.fTop, fRect.fBottom);
     }
 }
 #endif // SK_DEBUG
 
 ///////////////////////////////////////////////////////////////////////////////