Right now it is possible for a PageGroup to be invisible to the Injected Bundle. It should also be possible for a PageGroup to be invisible to the History Client.
This is necessary so that the the Inspector does not show up in History, since the HTML-based nature of the Inspector should not be exposed through the API.
Created attachment 89590 [details]
Comment on attachment 89590 [details]
Committed in http://trac.webkit.org/changeset/83867