Adds logging code to help figure out why test is crashing on bot

Adds logging code to help figure out why test is crashing on bot

Test is timing out with error of -1. I can't repro locally, so I'm
hoping this will shed some light on how far things are getting.

BUG=594600
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/f24fa9e0a4869c45515161d24a5c4086b648fe2b
Cr-Commit-Position: refs/heads/master@{#387438}

[msw, 2016-04-14 21:29:41]

lgtm with an optional nit

https://codereview.chromium.org/1888203002/diff/1/chrome/test/base/mash_brows...
File chrome/test/base/mash_browser_tests_main.cc (right):

https://codereview.chromium.org/1888203002/diff/1/chrome/test/base/mash_brows...
chrome/test/base/mash_browser_tests_main.cc:133: LOG(ERROR) << "child
exit_code=" << *exit_code;
optional nit: add comments to remove later here and below; cite bug?

[sky, 2016-04-14 21:30:25]

I'm going to land as is. Will remove shortly.

[sky, 2016-04-14 21:30:28]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-04-14 21:31:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1888203002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1888203002/1

[commit-bot: I haz the power, 2016-04-14 21:53:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-14 21:54:24]

Description was changed from

==========
Adds logging code to help figure out why test is crashing on bot

Test is timing out with error of -1. I can't repro locally, so I'm
hoping this will shed some light on how far things are getting.

BUG=594600
TEST=none
R=msw@chromium.org
==========

to

==========
Adds logging code to help figure out why test is crashing on bot

Test is timing out with error of -1. I can't repro locally, so I'm
hoping this will shed some light on how far things are getting.

BUG=594600
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/f24fa9e0a4869c45515161d24a5c4086b648fe2b
Cr-Commit-Position: refs/heads/master@{#387438}
==========

[commit-bot: I haz the power, 2016-04-14 21:54:25]

Patchset 1 (id:??) landed as
https://crrev.com/f24fa9e0a4869c45515161d24a5c4086b648fe2b
Cr-Commit-Position: refs/heads/master@{#387438}