WebKit merge 50516:50527

TBR=brettw
TEST=tree stays green

Also add a fail expectation for a new test so we can capture it's
baseline later.

Review URL: http://codereview.chromium.org/363013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31048 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed