Track down the extra 3px necessary to avoid popover urlbar flickering in perf tests
Categories
(Firefox :: Address Bar, task, P3)
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People
(Reporter: sfoster, Unassigned)
References
Details
While testing the patch in Bug 1921811, the browser/base/content/test/performance/browser_urlbar_keyed_search.js test was failing, reporting unexpected flickering. These tests run with the browser.urlbar.disableExtendForTests
pref set, which results in the breakout-extend-disabled
instead of the breakout-expanded
being set on the #urlbar
element.
Something about this distinction resulted in a 3-4px vertical offset, detectable only in this configuration. It would be good to track it down properly.
Updated•12 days ago
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Reporter | ||
Comment 1•12 days ago
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After another backout and further discussion, I filed bug 1926118 to revisit and re-enable the urlbar perf tests so they don't rely on this test-only pref and codepath to pass. That should remove the need for this browser.urlbar.disableExtendForTests
margin-top workaround entirely. I'll make it a dupe so we ensure the symptoms here do get addressed.
Description
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