'name' does not exist on the plugin object, so the _initializedPlugins map
would store undefined=>true for the first plugin and then don't allow any
further plugins.
For example the change-view-integration cannot be used by buildbucket and
tricium anymore.
Change-Id: I5a7adcaf335a0c27453e5eb03e3931d194e001ff
(cherry picked from commit f58c8c77ef)