1482308 - [wpt-sync] Sync PR 12391 - Send SharedImage IPC with multi-flush

Status: NEW

(Testing :: web-platform-tests, enhancement, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 12391 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/12391
Details from upstream follow.

Antoine Labour <[e-mail]> wrote:
>  Send SharedImage IPC with multi-flush
>  
>  This generalizes the FlushParams to contain sync tokens + IPC::Message instead
>  of ad-hoc fields transformed into Messages on the receiving side. This allows
>  any Message (that doesn't have handles) to be included into the list, and
>  simplifies the service-side handling.
>  Existing AsyncFlush and DestroyTransferBuffer messages are now serialized
>  client-side, and CreateSharedImage/DestroySharedImage are converted to this
>  mechanism, to avoid extra IPCs per tile.
>  
>  Bug: 870116
>  Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
>  Change-Id: Ib11298c03e249f49aec8e710a3db4195aea33e81
>  Reviewed-on: https://chromium-review.googlesource.com/1168731
>  WPT-Export-Revision: 6deb748a4af71155d6cf1a23bdf6fbb8bf26a48e