811816 - [Browser] places.js uses deprecated IndexedDB constant: { JavaScript Warning: "The constant IDBCursor.PREV has been deprecated. Use the string value "prev" instead." }

Status: RESOLVED DUPLICATE of bug 882396

(Firefox OS Graveyard :: Gaia::Browser, defect, P3)

Description

[Daniel Holbert [:dholbert]]

Just noticed these go by in my B2G logcat error output, around when I was starting up my browser:
{
E/GeckoConsole(  111): [JavaScript Warning: "The constant IDBTransaction.READ_WRITE has been deprecated. Use the string value "readwrite" instead."]
E/GeckoConsole(  111): [JavaScript Warning: "The constant IDBCursor.PREV has been deprecated. Use the string value "prev" instead."]
}

A quick grep shoes that these constants are used in places.js:
  https://github.com/mozilla-b2g/gaia/blob/master/apps/browser/js/places.js
so I assume that's the usage that's triggering these messages.

It looks like that file has a future-proof hack to make this continue to work even after the constant goes away: 
>  IDBTransaction.READ_WRITE = IDBTransaction.READ_WRITE || 'readwrite';
so that means the error isn't actually problematic.

However, we don't have that future-proofing hack for PREV -- looks like we need to add that. (and/or just remove the old names altogether.)