You can easily put the the <md-chip-list> inside of an
<md-form-field>.
You can also put <md-form-field> outside of an md-chip-list.
With mdChipInput the input work with chip-list
The example above has overridden the [separatorKeys] input to allow for
ENTER, COMMA and SEMI COLON keys.
You can also stack the chips if you want them on top of each other and/or use the
(focus) event to run custom code.