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This reverts commit 79605d54.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Revert "Reland "Surface synchronization: Add a diagnostic CHECK in ClientLayerTreeFrameSink""
> 
> This reverts commit 79edda64.
> 
> Reason for revert: We have branched into M68.
> 
> Original change's description:
> > Reland "Surface synchronization: Add a diagnostic CHECK in ClientLayerTreeFrameSink"
> > 
> > This is a reland of 119455cb
> > 
> > Original change's description:
> > > Surface synchronization: Add a diagnostic CHECK in ClientLayerTreeFrameSink
> > >
> > > There's a race in cc somewhere from commit to draw. I don't know exactly
> > > how to repro the race yet even though I have a high probably fix. This
> > > CL is intended to catch the race in the wild and produce a stack trace
> > > in a crash log. Hopefully from there we can acertain repro steps.
> > >
> > > Once repo steps are produced locally (either via user interaction or
> > > unit test) then this CL will be reverted.
> > >
> > > Bug: 672962
> > > Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
> > > Change-Id: I3bce066591e15d5c3aac7d4c8685dce411e284b7
> > > Reviewed-on: https://chromium-review.googlesource.com/973987
> > > Reviewed-by: Saman Sami <samans@chromium.org>
> > > Commit-Queue: Fady Samuel <fsamuel@chromium.org>
> > > Cr-Commit-Position: refs/heads/master@{#544834}
> > 
> > Bug: 672962
> > TBR: samans@chromium.org
> > Change-Id: I880540f3f00c419efb4055007787e86f4722d675
> > Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
> > Reviewed-on: https://chromium-review.googlesource.com/981154
> > Commit-Queue: Fady Samuel <fsamuel@chromium.org>
> > Reviewed-by: Fady Samuel <fsamuel@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#545994}
> 
> TBR=fsamuel@chromium.org,samans@chromium.org
> 
> # Not skipping CQ checks because original CL landed > 1 day ago.
> 
> Bug: 672962
> Change-Id: I02cc346dddda60a02e9233ec6fcb7c9df50e1d8a
> Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
> Reviewed-on: https://chromium-review.googlesource.com/1008610
> Reviewed-by: Fady Samuel <fsamuel@chromium.org>
> Commit-Queue: Fady Samuel <fsamuel@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#550171}

TBR=fsamuel@chromium.org,samans@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 672962
Change-Id: Ib3730fc78117cbaac36d141bfe03430a665bb3ea
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
Reviewed-on: https://chromium-review.googlesource.com/1012785Reviewed-by: Fady Samuel <fsamuel@chromium.org>
Commit-Queue: Fady Samuel <fsamuel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551150}