Use CGToScalar instead of SkFloatToScalar as CGFloat can be either double or float.

Use CGToScalar instead of SkFloatToScalar as CGFloat can be either double or float.

Committed: https://code.google.com/p/skia/source/detail?r=4766

[gw280, 2012-07-25 19:13:18]

I accidentally uploaded this patch to Chromium's codereview server at first.
Taken Mike's suggestion to use CGToScalar instead and rolled it into this patch.

[reed1, 2012-07-25 19:14:41]

lgtm