wm: Add squish animation on no-op F5 with a single window.
This adds visual feedback when the F5 ("[ ]]]") key is
pressed when there's only a single browser window open (so
we can't perform the usual action of switching to
overlapping-windows mode).
BUG=chromium-os:18700
TEST=manual; also added a test for a compositor change
Change-Id: I009c2c529822a4a700edf2504582917af6fd9ba3
Reviewed-on: http://gerrit.chromium.org/gerrit/5486
Reviewed-by: David Reveman <reveman@chromium.org>
Tested-by: Daniel Erat <derat@chromium.org>
12 files changed