replace SkScalarMulRound(a,b) with SkScalarRountToInt(a*b)

include/core/SkScalar.h

Index: include/core/SkScalar.h
diff --git a/include/core/SkScalar.h b/include/core/SkScalar.h
index 10bfa7297c64d5ca65e11ca80559044343524de1..70509e493c2acf460ec114724dcc97d5d8d40474 100644
--- a/include/core/SkScalar.h
+++ b/include/core/SkScalar.h
@@ -108,15 +108,6 @@ inline SkScalar SkScalarSquare(SkScalar x) { return x * x; }
 /** Returns the product of two SkScalars plus a third SkScalar
 */
 #define SkScalarMulAdd(a, b, c) ((float)(a) * (b) + (c))
-/** Returns the product of a SkScalar and an int rounded to the nearest integer value
-*/
-#define SkScalarMulRound(a, b) SkScalarRoundToInt((float)(a) * (b))
-/** Returns the product of a SkScalar and an int promoted to the next larger int
-*/
-#define SkScalarMulCeil(a, b) SkScalarCeilToInt((float)(a) * (b))
-/** Returns the product of a SkScalar and an int truncated to the next smaller int
-*/
-#define SkScalarMulFloor(a, b) SkScalarFloorToInt((float)(a) * (b))
 /** Returns the quotient of two SkScalars (a/b)
 */
 #define SkScalarDiv(a, b)       ((float)(a) / (b))