mozilla-b2g/gaia — pull request #15327 by asutherland (2014-01-14 22:54:10+00:00)
Title: Bug 862870 - [email] Implement slice batching to reduce/minimize UI reflows, improve responsiveness, sync time. r=asuth

Land https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/280