[PATCH] D51996: [clangd] Simplify cancellation public API

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet accepted this revision.
kadircet added a comment.
This revision is now accepted and ready to land.

LGTM


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D51996