QF15 summary

[classilla]

https://ehsanakhgari.org/blog/2017-07-07/quantum-flow-engineering-newsletter-15

Easy:
https://hg.mozilla.org/mozilla-central/rev/0cec50535e2c (M1376936)
https://bugzilla.mozilla.org/show_bug.cgi?id=1376954 suggests this is a big win.
https://hg.mozilla.org/mozilla-central/rev/d084672cc9fc (M1373195)

Mostly easy:
https://hg.mozilla.org/mozilla-central/rev/e4aad4b94ca6 (M1375331) (might need tuning)

Conceptually straightforward but likely needs rewriting:
https://hg.mozilla.org/mozilla-central/rev/4ef43b448dab (M1376691)

[classilla]

Linked off a related bug which should be very easy:
https://bugzilla.mozilla.org/show_bug.cgi?id=1348095

[classilla]

Also, while the bigger bug might be too much, this smaller version seems very, very safe and nice to have:
https://bugzilla.mozilla.org/attachment.cgi?id=8866612
(from https://bugzilla.mozilla.org/show_bug.cgi?id=1348099#c22 )

[classilla]

I don't see much benefit from M1348099 with the benchmarks given.