It's probably because I forgot to gate the new class behind a pref. I'll issue a fix. Eventually however it will have to incur some memory cost.
Bug 1824897 Comment 2 Edit History
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It's probably because I forgot to gate the new class behind a pref. I'll issue a fix. Eventually however it will have to incur some memory cost. Edit: Actually, it'll be the same regardless of the pref because of the existence of the class definition.