User Experience‎ > ‎   Infobars are non-modal, informational
messages that display as an extension of the chrome. They are
displayed when something happens in the Tab that the user should
be aware of, e.g. a plugin has crashed, or the user can save a
password they just entered. An infobar will push the website
down so as to not block any content.Variants   There are two
main scenarios for dispalying an infobar:  1) Page-related
actions - to message the user about an action they can take
related to the page they are on  2) Confirmations / warnings -
to provide a notification or alert about a problem or a
completed action  Infobars should never be purely informational;
they should always have an action the user can take.
Additionally, actions should be optional. If they are blocking
the user from doing something else, a dialog should be used
instead.   1) Page-related actions  Permissions - getting the
user to agree to or permit an action  (e.g. sharing their
location so it can be used with the site they are on