Created attachment 387583
alternative much smaller patch
Here's an alternative, much smaller patch, that just puts knowledge of the special rules for scrollbars into nsCSSOffsetState::InitOffsets. I get no reftest failures and no reflow assertions with this patch (alone). Maybe it's less problematic?
Created attachment 387583
alternative much smaller patch
Here's an alternative, much smaller patch, that just puts knowledge of the special rules for scrollbars into nsCSSOffsetStat e::InitOffsets. I get no reftest failures and no reflow assertions with this patch (alone). Maybe it's less problematic?