Bug 864262 - Allow to do 32-bits linux builds in x86-64 mock environments. r=ted, a=lsblakk
bug 861112 - (widget/gtk2) scaling from display to device pixels should only apply to top-level windows/dialogs/popups, not to child or plugin windows. r=roc a=bajaj

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extra : transplant_source : %A3%C5%5B%DB%E3%7D%E8%80Z%88Z%3De%20%5EqY%0A%ABU