Issue 670892 is done, this is unblocked.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c5983d5f3eda5c966f11758922b9eae1449e8642

commit c5983d5f3eda5c966f11758922b9eae1449e8642
Author: jeffcarp <jeffcarp@chromium.org>
Date: Tue Dec 06 20:58:12 2016

Remove tests that fail on Precise now that RandomOrder Linux is on Trusty

BUG= 671296 
R=qyearsley@chromium.org

Review-Url: https://codereview.chromium.org/2557843002
Cr-Commit-Position: refs/heads/master@{#436717}

[modify] https://crrev.com/c5983d5f3eda5c966f11758922b9eae1449e8642/third_party/WebKit/LayoutTests/RandomOrderExpectations