54ae6c123e
Fix a couple of errors when compiling those libraries as opted in to NNBD. Change-Id: I7dfb629d951d8531c8bed4e765950984e9291f44 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/139686 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Srujan Gaddam <srujzs@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>