Fix compiler==none case in browser testing (Dartium case)

Fix compiler==none case in browser testing (Dartium case)

Error was introduced in https://codereview.chromium.org/2947473002/

BUG=
R=kustermann@google.com

Committed: https://github.com/dart-lang/sdk/commit/d8ec6450d0e40c9dcdbf7826887418a7ff120d83

[Bill Hesse, 2017-06-22 09:27:48]

whesse@google.com changed reviewers:
+ kustermann@google.com

[kustermann, 2017-06-22 09:30:09]

lgtm

[Bill Hesse, 2017-06-22 09:30:28]

Description was changed from

==========
Fix compiler==none case in browser testing (Dartium case)

Error was introduced in https://codereview.chromium.org/2947473002/

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

to

==========
Fix compiler==none case in browser testing (Dartium case)

Error was introduced in https://codereview.chromium.org/2947473002/

BUG=
R=kustermann@google.com

Committed:
https://github.com/dart-lang/sdk/commit/d8ec6450d0e40c9dcdbf7826887418a7ff120d83
==========

[Bill Hesse, 2017-06-22 09:30:30]

Committed patchset #1 (id:1) manually as
d8ec6450d0e40c9dcdbf7826887418a7ff120d83 (presubmit successful).

[Bob Nystrom, 2017-06-22 16:09:06]

rnystrom@google.com changed reviewers:
+ rnystrom@google.com

[Bob Nystrom, 2017-06-22 16:09:07]

Sorry about that. Thanks for the fix!