Something is causing multiple REQUEST_SHOW_TOOLBAR_IMMEDIATELY to be sent to the dynamic toolbar animator when going out of fullscreen mode. Since the requests are asynchronous messages sent from the UI thread to the compositor thread, the second request can sometimes cause the static snapshot to be regenerated unnecessarily. It would be nice to fix the front end code so that multiple requests of the same type are not sent back to back so the dynamic toolbar animator does not do unnecessary work.
7 months ago
Priority: -- → P3
Re-triaging per https://bugzilla.mozilla.org/show_bug.cgi?id=1473195 Needinfo :susheel if you think this bug should be re-triaged.
Priority: P3 → P5
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