The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/dde8877bc21f56ea610b4889f34d31f970d54fd6

commit dde8877bc21f56ea610b4889f34d31f970d54fd6
Author: Sunny Sachanandani <sunnyps@chromium.org>
Date: Fri Mar 23 03:37:10 2018

gpu: Unit tests for IPC command buffer proxy

The command buffer proxy doesn't just forward calls, but it also does
coalescing of flushes, and handles sync token verification. This needs
to be tested for correctness.

R=piman
BUG= 824510 

Cq-Include-Trybots: luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I6802b954e7bc13587ccaaba070f6ae88b0c732de
Reviewed-on: https://chromium-review.googlesource.com/974758
Commit-Queue: Sunny Sachanandani <sunnyps@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545361}
[modify] https://crrev.com/dde8877bc21f56ea610b4889f34d31f970d54fd6/gpu/BUILD.gn
[add] https://crrev.com/dde8877bc21f56ea610b4889f34d31f970d54fd6/gpu/ipc/client/command_buffer_proxy_impl_unittest.cc
[modify] https://crrev.com/dde8877bc21f56ea610b4889f34d31f970d54fd6/gpu/ipc/client/gpu_channel_host.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/fd979a834d0ec94736aac355a5bda93571899122

commit fd979a834d0ec94736aac355a5bda93571899122
Author: Sunny Sachanandani <sunnyps@chromium.org>
Date: Tue Mar 27 00:26:03 2018

ppapi: Unit tests for pepper command buffer proxy

Similar to the IPC command buffer proxy unit tests.

R=piman
BUG= 824510 

Change-Id: I14ecfc448e12d4f143b645cc9290c476fdbf5d0d
Reviewed-on: https://chromium-review.googlesource.com/978959
Commit-Queue: Sunny Sachanandani <sunnyps@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545899}
[modify] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/BUILD.gn
[modify] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/proxy/plugin_dispatcher.h
[modify] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/proxy/ppapi_command_buffer_proxy.cc
[modify] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/proxy/ppapi_command_buffer_proxy.h
[add] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/proxy/ppapi_command_buffer_proxy_unittest.cc
[modify] https://crrev.com/fd979a834d0ec94736aac355a5bda93571899122/ppapi/proxy/ppb_graphics_3d_proxy.cc

We have an initial set of unit tests which would've caught issue 797137.