Remove GrRandom API in favor of SkRandom.

TEST=tests
R=bsalomon@google.com

Review URL: https://codereview.appspot.com/6855062

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@6539 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed