I was looking at memory usage on http://areweslimyet.com/mobile and noticed that hiddenWindow.html (explict/window-objects/) takes up 500KB. It also shows up on our startup profiles, taking ~300ms IIRC.
I remembered that Neil Deakin had started a patch to remove the hiddenWindow in bug 71895 (yeah, 5 digits): https://bugzilla.mozilla.org/show_bug.cgi?id=71895 That patch is general purpose, except for OSX which has special needs. Well, now we see that other code in Desktop Firefox is using hiddenWindow for satanic purposes, making it difficult to remove the hiddenWindow completely. See comments 22, 23 and 24. I was wondering if we could remove it from Firefox for Android? Any code using hiddenWindow should be burned at the stake anyway, and we'd benefit from the saved memory and startup performance. Finkle
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