Same reasoning as bug 1340452 and bug 1340451. This one isn't used for selects though. This was the only other use of weakframes for reflowcallback only. There are other weakframe usage for async events. Maybe we should change the data structure for weak frames.
Created attachment 8838803 [details] [diff] [review] patch
> Maybe we should change the data structure for weak frames Yeah, that might be better actually. Then we could potentially use script runners for some of these things rather than reflow callbacks. In this particular case, I'm not sure if it's worth changing since it likely can't be reached from web content. I doubt we create that many of these frames in our UI that it matters for performance.
Okay, I'll mark this wont fix and file a bug about changing how weak frames work.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → WONTFIX
Filed bug 1340771 for better weak frame data structure.
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