GitLab

Previously, a separate constant (kNumPainters) was used.
This constant was incorrect (there were only two elements in the array).

As described in http://www.viva64.com/en/b/0205/.

BUG=271533

Review URL: https://chromiumcodereview.appspot.com/22920003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@217124 0039d316-1c4b-4281-b951-d872f2087c98