report firefox buildID in tests

Firefox version numbers aren't necessarily precise enough for the types
of bugs we care about, so this also tries to emit firefox's buildID too.

[kpreid2, 2013-04-30 16:40:28]

LGTM

[Mark S. Miller, 2013-04-30 17:08:36]

Is <
https://code.google.com/p/google-caja/source/browse/trunk/src/com/google/caja...>
relevant? Can/should this be improved to be more precise?


On Tue, Apr 30, 2013 at 9:40 AM, <kpreid.switchb.org@gmail.com> wrote:

> LGTM
>
>
https://codereview.appspot.**com/9024043/<https://codereview.appspot.com/9024...
>
>
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-- 
    Cheers,
    --MarkM

[felix8a, 2013-05-01 05:50:34]

Firefox version numbers aren't necessarily precise enough for the types
of bugs we care about, so this also tries to emit firefox's buildID too.

[felix8a, 2013-05-01 05:57:11]

Firefox version numbers aren't necessarily precise enough for the types
of bugs we care about, so this tries to emit firefox's buildID too.

[felix8a, 2013-05-01 05:58:35]

new snapshot.

I was misled by firefox aurora, which has a substring like "Gecko/20130430" in
the useragent.

this substring is always "Gecko/20100101" in firefox beta and release, so
emitting useragent doesn't give any useful info for them. (in particular,
Firefox 20.0 and 20.0.1 have identical version strings and useragent strings)

[kpreid2, 2013-05-01 17:05:24]

LGTM