tree 2970184d40159e9db575424e87a97aa75f5509e5
parent c885015934b223ee67b3972db7ef4b3ce0b74467
author Alexander Aprelev <aam@google.com> 1520268910 -0800
committer GitHub <noreply@github.com> 1520268910 -0800
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Run dev/bots/test's flutter drive test in preview-dart-2 (#15090)

* Run dev/bots/test's flutter drive test in preview-dart-2

* Fix extension callback type

* More type fixes