script: Notify embedder coalesced events to resolve potential WebDriver deadlock#58445
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The review process for this patch is being conducted in the Servo project.
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Signed-off-by: Euclid Ye <[email protected]>
Signed-off-by: Euclid Ye <[email protected]>
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Notify embedder the coalesced wheel/mousemove event.
We also stop cloning every single entry in
pending_input_event.Testing: This should unblock the potential WebDriver thread deadlock
when receiving simultaneous wheel or pointer inputs from multiple sources.
We added a new test that stably deadlock on servo/servo@74c16ff.
Firefox/Safari/Chrome all pass the new test.
Fixes: servo/servo#43136 (comment)
Reviewed in servo/servo#43202