Seeing this failure with latest build too:
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/precise64%20trunk/builds/21912

Thanks

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a43e3a47cfb447baea81b528030fd2c801fd2b0d

commit a43e3a47cfb447baea81b528030fd2c801fd2b0d
Author: dmurph <dmurph@chromium.org>
Date: Thu Feb 23 22:55:28 2017

[BlobStorage] Possible test segfault mitigation

BUG= 682505 ,694802

Review-Url: https://codereview.chromium.org/2717463004
Cr-Commit-Position: refs/heads/master@{#452662}

[modify] https://crrev.com/a43e3a47cfb447baea81b528030fd2c801fd2b0d/content/browser/blob_storage/blob_storage_browsertest.cc

Ah ok I'll look into doing that - I wonder if I can repro on non-precise64

Looks like we no longer run tests on precise64. Wont-fixing. re-open if this is still an issue.