Fix for default filter (#228).

Fix for default filter (#228).

The rub is that when I added awareness of filters to max error calculation, I forgot to account for the case where there was none set.  This should address that, with a test added.


BUG=
R=brianwilkerson@google.com

Committed: https://github.com/dart-lang/linter/commit/96099d04550efc4d3ea9c0c48d70338c6c2891d4

[pquitslund, 2016-04-25 16:39:39]

Description was changed from

==========
Fix for default filter (#228).

BUG=
==========

to

==========
Fix for default filter (#228).

The rub is that when I added awareness of filters to max error calculation, I
forgot to account for the case where there was none set.  This should address
that, with a test added.


BUG=
==========

[pquitslund, 2016-04-25 16:39:49]

pquitslund@google.com changed reviewers:
+ alexei.eleusis@gmail.com, brianwilkerson@google.com

[Brian Wilkerson, 2016-04-25 17:34:10]

lgtm

[pquitslund, 2016-04-25 17:55:03]

Description was changed from

==========
Fix for default filter (#228).

The rub is that when I added awareness of filters to max error calculation, I
forgot to account for the case where there was none set.  This should address
that, with a test added.


BUG=
==========

to

==========
Fix for default filter (#228).

The rub is that when I added awareness of filters to max error calculation, I
forgot to account for the case where there was none set.  This should address
that, with a test added.


BUG=
R=brianwilkerson@google.com

Committed:
https://github.com/dart-lang/linter/commit/96099d04550efc4d3ea9c0c48d70338c6c...
==========

[pquitslund, 2016-04-25 17:55:04]

Committed patchset #1 (id:1) manually as
96099d04550efc4d3ea9c0c48d70338c6c2891d4 (presubmit successful).

[Alexei D, 2016-04-25 18:29:22]

lgtm