tree d07c5937961dee9c2f19b1a1bf2e7120fbdd16d0
parent ca85e2b461e3220c92413083dc16029c58555683
author Adam Sadovsky <sadovsky@google.com> 1447310272 -0800
committer Adam Sadovsky <sadovsky@google.com> 1447310272 -0800

js.syncbase: mojo.syncbase: syncbase+mojo: implement batches

Also updates JavaScript impl so that Mojo and JS impls:
- mirror one another, which will make them easier to maintain
- use subclassing for Database/BatchDatabase, which will result
in better dartdoc/jsdoc

MultiPart: 2/3

Change-Id: I32ee60fe585ac25341ba89f50356f99d3c328cc6