Commit 6f68308978f9d53422d7e5103ee87289265eb4d8

Jamie Madill 2018-02-28T00:35:16

Rename signal utils to Observer. This completes the basic refactor to the Observer pattern. Bug: angleproject:2372 Change-Id: I810deff7c7e39baa64b57ce2a79cd732b1af7c34 Reviewed-on: https://chromium-review.googlesource.com/940862 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Luc Ferron <lucferron@chromium.org>