mozilla-b2g/B2G — pull request #155 by jlebar (2012-10-27 05:08:18+00:00)
Title: Two improvements to about:memory

See commit messages.

I think I'm just going to merge this, because it's not too complex, and I'd like people to have it without waiting. But I promise to quickly fix any review comments from @dhylands (or anyone else).