SkScalarMul is deprecated

BUG=skia:

Change-Id: I88ecfe9d4c72506f6b1a0e0dfadd2a5c171a6cb6
Reviewed-on: https://skia-review.googlesource.com/8353
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/src/gpu/ops/GrAAConvexPathRenderer.cpp b/src/gpu/ops/GrAAConvexPathRenderer.cpp
index d239732..5d09706 100644
--- a/src/gpu/ops/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/ops/GrAAConvexPathRenderer.cpp
@@ -183,7 +183,7 @@
 };
 
 static const SkScalar kClose = (SK_Scalar1 / 16);
-static const SkScalar kCloseSqd = SkScalarMul(kClose, kClose);
+static const SkScalar kCloseSqd = kClose * kClose;
 
 static void update_degenerate_test(DegenerateTestData* data, const SkPoint& pt) {
     switch (data->fStage) {
@@ -218,8 +218,8 @@
     }
     // check whether m reverses the orientation
     SkASSERT(!m.hasPerspective());
-    SkScalar det2x2 = SkScalarMul(m.get(SkMatrix::kMScaleX), m.get(SkMatrix::kMScaleY)) -
-                      SkScalarMul(m.get(SkMatrix::kMSkewX), m.get(SkMatrix::kMSkewY));
+    SkScalar det2x2 = m.get(SkMatrix::kMScaleX) * m.get(SkMatrix::kMScaleY) -
+                      m.get(SkMatrix::kMSkewX)  * m.get(SkMatrix::kMSkewY);
     if (det2x2 < 0) {
         *dir = SkPathPriv::OppositeFirstDirection(*dir);
     }