This test appears to not be in code search yet. Can the CL be added to this bug?

https://cs.chromium.org/chromium/src/content/browser/isolated_origin_browsertest.cc?rcl=b208d41718d43f5b581454da2ab4e785641cbcd0&l=376

I missed finding that this morning. My mistake, thanks for the link.

In this case a bisect range of this failure showing up would help.

Details of this failure were tracked in 792739 as a few flakes were recently identified

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9e593546c4186256c858e5e786bd51fa76a51dbd

commit 9e593546c4186256c858e5e786bd51fa76a51dbd
Author: Tom Anderson <thomasanderson@chromium.org>
Date: Thu Dec 07 20:03:50 2017

Disable flaky tests on viz

BUG= 792739 , 792740 
R=jonross@chromium.org

Change-Id: I0b4a38acf3cf9ee0dbd55ed5453b13ae2988834b
Reviewed-on: https://chromium-review.googlesource.com/813114
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#522521}
[modify] https://crrev.com/9e593546c4186256c858e5e786bd51fa76a51dbd/testing/buildbot/filters/mojo.fyi.viz.content_browsertests.filter
[modify] https://crrev.com/9e593546c4186256c858e5e786bd51fa76a51dbd/testing/buildbot/filters/viz.content_browsertests.filter