https://bugs.webkit.org/show_bug.cgi?id=50493 introduce the variable m_extraHeaders but incorrectly put it in the #ifdef for ENABLE(JAVASCRIPT_DEBUGGER).
Created attachment 76871 [details] Patch
Comment on attachment 76871 [details] Patch lgtm, r+.
Comment on attachment 76871 [details] Patch Clearing flags on attachment: 76871 Committed r74257: <http://trac.webkit.org/changeset/74257>
All reviewed patches have been landed. Closing bug.