Rebaseline tests, affected by fixes to Skia compositing upstream: http://trac.webkit.org/changeset/43902

We actually had wrong baselines and the fixes broke our layout tests :-\

R=senorblanco
BUG=12352
TEST=no layout test regressions.

Review URL: http://codereview.chromium.org/125195

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18504 0039d316-1c4b-4281-b951-d872f2087c98