We can use this in various places where we just ended up hardcoding stuff in bug 1434819.

The members that correspond to interface names should match the interface names. MozReview-Commit-ID: FB8vpX2IIt9

Alphabetical order, of course. First interfaces, then ad-hoc things. MozReview-Commit-ID: Dz9XGMNoRo

MozReview-Commit-ID: Gv77ey3bHcs

MozReview-Commit-ID: HuwuVXWcWQE

MozReview-Commit-ID: HuwuVXWcWQE

Pushed by bzbarsky@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/637dffdef3fb part 1. Fix up the naming of some xpc::GlobalProperties members. r=kmag https://hg.mozilla.org/integration/mozilla-inbound/rev/e2694e3d4248 part 2. Order the members of xpc::GlobalProperties in a sensible way. r=kmag https://hg.mozilla.org/integration/mozilla-inbound/rev/6612182e2011 part 3. Add NodeFilter to xpc::GlobalProperties. r=kmag https://hg.mozilla.org/integration/mozilla-inbound/rev/b320d109ead2 part 4. Use NodeFilter in various system-JS places instead of hardcoding constant values. r=kmag

https://hg.mozilla.org/mozilla-central/rev/637dffdef3fb https://hg.mozilla.org/mozilla-central/rev/e2694e3d4248 https://hg.mozilla.org/mozilla-central/rev/6612182e2011 https://hg.mozilla.org/mozilla-central/rev/b320d109ead2