GitLab

Changes the confusing ACTION_funnel_ names in scheduler state machine to
did_ACTION_. Replaces prepare_tiles_funnel_ (the only real "funnel")
with a bool that does the same job. Changes the state machine to use
default member initialization.

One SchedulerTest which explicitly tested that we reset the funnel after
visibility change had to be modified. Since we don't reset the prepare
tiles state on begin frame any more that old test doesn't work as is.
Following along the discussion in crbug.com/497473#c14 the test's exact
behavior isn't needed as we never end up in a situation with an ever
increasing prepare tiles funnel after this change.

R=danakj
BUG=NONE

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Change-Id: I1541b358d05ad1b824955ae63e3bcb173c3ffda3
Reviewed-on: https://chromium-review.googlesource.com/487322
Commit-Queue: danakj <danakj@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#467994}