Revert of stop calling SkScalarDiv

tests/MatrixTest.cpp

Index: tests/MatrixTest.cpp
diff --git a/tests/MatrixTest.cpp b/tests/MatrixTest.cpp
index 72e0dcc0214be24967c4f65ef0b78557eae0a2d5..95d33acabd7ac42e0545efbc93b2a84d32ca668b 100644
--- a/tests/MatrixTest.cpp
+++ b/tests/MatrixTest.cpp
@@ -270,8 +270,8 @@
         mat.mapVectors(vectors, SK_ARRAY_COUNT(vectors));
         for (size_t i = 0; i < SK_ARRAY_COUNT(vectors); ++i) {
             SkScalar d = vectors[i].length();
-            REPORTER_ASSERT(reporter, d / maxScale < gVectorScaleTol);
-            REPORTER_ASSERT(reporter, minScale / d < gVectorScaleTol);
+            REPORTER_ASSERT(reporter, SkScalarDiv(d, maxScale) < gVectorScaleTol);
+            REPORTER_ASSERT(reporter, SkScalarDiv(minScale, d) < gVectorScaleTol);
             if (max < d) {
                 max = d;
             }
@@ -279,8 +279,8 @@
                 min = d;
             }
         }
-        REPORTER_ASSERT(reporter, max / maxScale >= gCloseScaleTol);
-        REPORTER_ASSERT(reporter, minScale / min >= gCloseScaleTol);
+        REPORTER_ASSERT(reporter, SkScalarDiv(max, maxScale) >= gCloseScaleTol);
+        REPORTER_ASSERT(reporter, SkScalarDiv(minScale, min) >= gCloseScaleTol);
     }
 }