8d36178a43
This removes the original `lockRequestsWhile` functionality of the LSP server which worked by pausing reading from stdin to instead pause the processing of messages in the scheduler. Change-Id: I737e977adee11fe6fc70f44185cfaa22c22805da Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/432342 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Keerti Parthasarathy <keertip@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>