add 'imports' field for OutputUnitInfo

add 'imports' field for OutputUnitInfo

BUG=
R=sigmund@google.com

Committed: https://github.com/dart-lang/dart2js_info/commit/0a221eaf16aec3879c45719de656680ccb80d8a1

[Harry Terkelsen, 2015-11-04 02:07:30]

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

[Siggi Cherem (dart-lang), 2015-11-04 03:33:16]

lgtm

https://codereview.chromium.org/1420303010/diff/1/lib/info.dart
File lib/info.dart (right):

https://codereview.chromium.org/1420303010/diff/1/lib/info.dart#newcode206
lib/info.dart:206: List<String> imports = <String>[];
Oh funny, my initial thought was that you meant "imports" as the list of shared
outputunitinfos that this info needs, but this makes more sense :). I'm ok with
the current name, another idea if you prefer would be `loadingImports`? up to
you.

[Harry Terkelsen, 2015-11-12 19:21:01]

https://codereview.chromium.org/1420303010/diff/1/lib/info.dart
File lib/info.dart (right):

https://codereview.chromium.org/1420303010/diff/1/lib/info.dart#newcode206
lib/info.dart:206: List<String> imports = <String>[];
On 2015/11/04 03:33:16, Siggi Cherem (dart-lang) wrote:
> Oh funny, my initial thought was that you meant "imports" as the list of
shared
> outputunitinfos that this info needs, but this makes more sense :). I'm ok
with
> the current name, another idea if you prefer would be `loadingImports`? up to
> you.

I'm keeping it as imports to match the name in dart2js

[Harry Terkelsen, 2015-11-12 19:21:14]

Committed patchset #1 (id:1) manually as
0a221eaf16aec3879c45719de656680ccb80d8a1 (presubmit successful).