The lawnchair library is a third party library for client side storage. Currently the types of storage are used in this order.
In the future as the standard emerges we should look at IndexedDB there is an adapter for this also available
https://github.com/brianleroux/lawnchair

In webSql we made a change to allow for a failure callback. This change is prefixed with FEEDHENRY CHANGE

webSql -
localFileStorage -
dom local storage -
window-name -