Added a tooltip to the Priority column to show final priority.
Added getRequestPriorityAsNumber function to convert HAR priority string back into a value.
Update representation of the priority value of a resource when it changes.
Added field priority to HAR file export and importing.
Linting wants double quotes.
priority **needs** to be gathered first before assigning into resource.
Check if the priority has changed to decide if Priority should re-render.
Added test to check priority of images above and below the fold.
Changed test HTML file into a hand written example with some explanation.
Guard against null priority when updating it.
Use isInteger to check priority is really a number.
We do not want to overwrite priority with "undefined".
Defer setting up the first test image a little bit, but do not check its priority.
Test HTML needs to be large.
Differential Revision: https://phabricator.services.mozilla.com/D287020
ozcoder
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