dddda28fb6
This still isn't complete. It only removes file changes when a file is closed and it ought to remove them when a file is saved, but I think this is a minor enough hole that we can land this now and work on it later. It also still doesn't handle the legacy protocol. Change-Id: If07d20fe61cc3d03167f9a930b67ddd59b8e97e1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/471860 Reviewed-by: Jake Macdonald <jakemac@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>