roll skia to 2824

Review URL: http://codereview.chromium.org/8856002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113608 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -36,7 +36,7 @@ vars = {
   "lss_revision": "9",
   "ffmpeg_revision": "112050",
   "sfntly_revision": "111",
-  "skia_revision": "2811",
+  "skia_revision": "2824",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.