It seems modernization missed InspectorCSSAgent.cpp and InspectorFrontendClientLocal.h for override / final / nullptrs.
Created attachment 223950 [details] [PATCH] Proposed Fix Threw in a few ASCIILiterals as well.
Comment on attachment 223950 [details] [PATCH] Proposed Fix Clearing flags on attachment: 223950 Committed r163962: <http://trac.webkit.org/changeset/163962>
All reviewed patches have been landed. Closing bug.