commit ed98e25e2e6128cb6df6b3eb630b0572d2ef495f
author Fernando Serboncini <fserb@chromium.org> Mon Jul 23 22:40:07 2018
committer Commit Bot <commit-bot@chromium.org> Mon Jul 23 22:40:07 2018
tree 2b4c0b7d933d4f82b8cadfa780e4852dd4c54fdb
parent d84bb42a2147fde3a3aaacd3ff64baf9bc28c914

Only execute Worker.RAF inside PostMessage taskrunner

If a RAF takes too long, OnBeginFrame may flood the task runner with
tasks and not allow postMessages to pass. This makes sure that RAFs are
executed in the same task queue as postMessages. We also change
BeginFrameProvider logic to only disable setNeedsBeginFrame with one
frame delay, to minimize the number of mojo calls.

Bug: 863962
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: Iec4b21d9e41571a9fc2d9880aa26ce45704d8d0c
Reviewed-on: https://chromium-review.googlesource.com/1139188
Commit-Queue: Fernando Serboncini <fserb@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Justin Novosad <junov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577308}