These files are shared by both Page and Worker inspector files. So they should be prefixed with "Web" not "Page".
Created attachment 223949 [details] [PATCH] Proposed Fix
Comment on attachment 223949 [details] [PATCH] Proposed Fix Clearing flags on attachment: 223949 Committed r163987: <http://trac.webkit.org/changeset/163987>
All reviewed patches have been landed. Closing bug.