tree cff988cae324d79aebe59c55efa80b176398323d
parent e07af58238501bf5fdba9fd286c46b648bcbcf1b
author Konstantin Shcheglov <scheglov@google.com> 1536176818 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1536176818 +0000

Safer FileSystemState.hasUri

SourceFactory.forUri2() can return null.

R=brianwilkerson@google.com

Bug: https://github.com/dart-lang/sdk/issues/33859
Bug: https://github.com/dart-lang/sdk/issues/33233
Change-Id: I34908cd9d04050cc2afcdc716c6bb68d4f177702
Reviewed-on: https://dart-review.googlesource.com/73242
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>