[chromium] Update expectations.
https://bugs.webkit.org/show_bug.cgi?id=107481

Unreviewed, expectations update.

After https://src.chromium.org/viewvc/chrome?view=rev&revision=177952,
these tests no longer fail on linux.


* platform/chromium/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140368 268f45cc-cd09-0410-ab3c-d52691b4dbfc