The following layout test is flaky on Win7 debug platform/chromium/virtual/gpu/fast/hidpi/clip-text-in-hidpi.html platform/chromium/virtual/gpu/fast/hidpi/device-scale-factor-paint.html platform/chromium/virtual/gpu/fast/hidpi/focus-rings.html
Committed r140471: <http://trac.webkit.org/changeset/140471>