remove SkScalarMul from public headers

include/core/SkPoint.h

Index: include/core/SkPoint.h
diff --git a/include/core/SkPoint.h b/include/core/SkPoint.h
index caf26507ffa3c5e632ceb078a6a3301d0c08c5eb..5dd331a14ca9b65ecef9d1fec10594ff01d565c0 100644
--- a/include/core/SkPoint.h
+++ b/include/core/SkPoint.h
@@ -411,13 +411,13 @@ struct SK_API SkPoint {
     /** Returns the dot product of a and b, treating them as 2D vectors
     */
     static SkScalar DotProduct(const SkPoint& a, const SkPoint& b) {
-        return SkScalarMul(a.fX, b.fX) + SkScalarMul(a.fY, b.fY);
+        return a.fX * b.fX + a.fY * b.fY;
     }
 
     /** Returns the cross product of a and b, treating them as 2D vectors
     */
     static SkScalar CrossProduct(const SkPoint& a, const SkPoint& b) {
-        return SkScalarMul(a.fX, b.fY) - SkScalarMul(a.fY, b.fX);
+        return a.fX * b.fY - a.fY * b.fX;
     }
 
     SkScalar cross(const SkPoint& vec) const {
@@ -435,7 +435,7 @@ struct SK_API SkPoint {
     SkScalar distanceToSqd(const SkPoint& pt) const {
         SkScalar dx = fX - pt.fX;
         SkScalar dy = fY - pt.fY;
-        return SkScalarMul(dx, dx) + SkScalarMul(dy, dy);
+        return dx * dx + dy * dy;
     }
 
     /**