deprecate SkScalarRound (and its ilk), use SkScalarRound[ToInt,ToScalar]. #define SK_SUPPORT_DEPRECATED_SCALARROUND for legacy clients

BUG=
R=robertphillips@google.com

Review URL: https://codereview.chromium.org/111353003

git-svn-id: http://skia.googlecode.com/svn/trunk@12719 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrPathUtils.cpp b/src/gpu/GrPathUtils.cpp
index 8b06daf..2f60069 100644
--- a/src/gpu/GrPathUtils.cpp
+++ b/src/gpu/GrPathUtils.cpp
@@ -51,7 +51,7 @@
         // subdivide x = log4(d/tol) times. x subdivisions creates 2^(x)
         // points.
         // 2^(log4(x)) = sqrt(x);
-        int temp = SkScalarCeil(SkScalarSqrt(SkScalarDiv(d, tol)));
+        int temp = SkScalarCeilToInt(SkScalarSqrt(SkScalarDiv(d, tol)));
         int pow2 = GrNextPow2(temp);
         // Because of NaNs & INFs we can wind up with a degenerate temp
         // such that pow2 comes out negative. Also, our point generator
@@ -102,7 +102,7 @@
     if (d <= tol) {
         return 1;
     } else {
-        int temp = SkScalarCeil(SkScalarSqrt(SkScalarDiv(d, tol)));
+        int temp = SkScalarCeilToInt(SkScalarSqrt(SkScalarDiv(d, tol)));
         int pow2 = GrNextPow2(temp);
         // Because of NaNs & INFs we can wind up with a degenerate temp
         // such that pow2 comes out negative. Also, our point generator