tree fad21def50a113b5b7fad5ec380ca64c5a93012b
parent 5e6d033a9e5b100fb12b68278b51530d7b84995b
author dan sinclair <dsinclair@google.com> 1585151803 +0000
committer dan sinclair <dsinclair@google.com> 1585151803 +0000

Add type manager synchronization comment.

This Cl adds a comment about the type manager being a singleton and
synchronization requirements.

Change-Id: I91618516b26c18aa6b47e7e564b4b3a8eecc1009
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17740
Reviewed-by: David Neto <dneto@google.com>