Destroy surfaces from Display::terminate instead of the DisplayImpl destructor. Previously, the parent display impl would be destroyed before the surface impls. It is useful to call helper functions in the parent display during surface destruction. BUG=540829 Change-Id: I0884826d2e360319da896f049d46bfc01a2481a0 Reviewed-on: https://chromium-review.googlesource.com/316801 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>