GitLab

Document the high-level goal of IPC review.

Change-Id: Ie367c0026fe9d009196d2c58ec5619db4a4b72bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730498
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683401}