Roll Skia DEPS to 5283

control: http://codereview.chromium.org/10867083/
Review URL: https://chromiumcodereview.appspot.com/10878075

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@153493 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -29,7 +29,7 @@ vars = {
   "ffmpeg_hash": "2079ffae30f8da6c6eed985cce00e04c31b40888",
 
   "sfntly_revision": "134",
-  "skia_revision": "5275",
+  "skia_revision": "5283",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.