Remove unused import statement.

Remove unused import statement.

This is a follow-up to https://github.com/dart-lang/sdk/commit/a9afb54d6d23a6320aa7e395c882659e1bdd1447 to fix the tests.

BUG=
R=sigmund@google.com

Committed: https://github.com/dart-lang/sdk/commit/747348caec61756a20e3dc11119f54e296a3b30b

[aam, 2017-08-15 16:54:51]

Description was changed from

==========
Remove unused import statement.

This is a follow-up to
https://github.com/dart-lang/sdk/commit/a9afb54d6d23a6320aa7e395c882659e1bdd1447
to fix the tests.

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

to

==========
Remove unused import statement.

This is a follow-up to
https://github.com/dart-lang/sdk/commit/a9afb54d6d23a6320aa7e395c882659e1bdd1447
to fix the tests.

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

[aam, 2017-08-15 16:54:51]

aam@google.com changed reviewers:
+ sigmund@google.com

[Siggi Cherem (dart-lang), 2017-08-15 17:05:47]

lgtm

[aam, 2017-08-15 17:07:05]

Description was changed from

==========
Remove unused import statement.

This is a follow-up to
https://github.com/dart-lang/sdk/commit/a9afb54d6d23a6320aa7e395c882659e1bdd1447
to fix the tests.

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

to

==========
Remove unused import statement.

This is a follow-up to
https://github.com/dart-lang/sdk/commit/a9afb54d6d23a6320aa7e395c882659e1bdd1447
to fix the tests.

BUG=
R=sigmund@google.com

Committed:
https://github.com/dart-lang/sdk/commit/747348caec61756a20e3dc11119f54e296a3b30b
==========

[aam, 2017-08-15 17:07:06]

Committed patchset #1 (id:1) manually as
747348caec61756a20e3dc11119f54e296a3b30b (presubmit successful).