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This feels like an oversight in the GPU-side callback path. The normal
IPC path always makes current (and some backing seem to rely on this).

Change-Id: I4b8b765f5b8c5c2243dc21609ff139a7347a27c6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1793747
Commit-Queue: vikas soni <vikassoni@chromium.org>
Reviewed-by: vikas soni <vikassoni@chromium.org>
Auto-Submit: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695656}