Nobody accesses ScriptDebugServer through InjectedScriptManager. Remove the accessor and the reason for holding onto DebuggerAgent.
Created attachment 219490 [details] [PATCH] Proposed Fix
Comment on attachment 219490 [details] [PATCH] Proposed Fix Clearing flags on attachment: 219490 Committed r160752: <http://trac.webkit.org/changeset/160752>
All reviewed patches have been landed. Closing bug.