Add an additional level of optimization for PPAPI plugins to paint without
doing a WebKit paint.
Currently, this will not get triggered very much because the % coverage
required for combining rects in the paint manager is so low. I'm going to try
tweaking that but want to do it in another CL.
TEST=none
BUG=none
Review URL: http://codereview.chromium.org/6020007
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69974 0039d316-1c4b-4281-b951-d872f2087c98
8 files changed
