9c35cff5cd
This reverts commit 0b59f24f97.
Reason for revert: Creates crashes in dart2js with kernel, see
https://luci-milo.appspot.com/buildbot/client.dart/dart2js-linux-d8-minified-1-5-be/9751
Original change's description:
> New methods on Iterable, List, Set, Queue, Map.
> Changes signature of Iterable.singleWhere.
> Makes LinkedHashMap no longer be a HashMap.
>
> Change-Id: Ibd7e56e1ac03cb9fb10d19d1328d452fcd06d89f
> Reviewed-on: https://dart-review.googlesource.com/32541
> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
> Reviewed-by: Leaf Petersen <leafp@google.com>
TBR=lrn@google.com,leafp@google.com
Change-Id: Iab904f5885a5213ae2e16ef496eed0b6843185f3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/39060
Reviewed-by: William Hesse <whesse@google.com>