We don't need to initialise content sniffer and decoder in WebProcess because the initialization is now done in WebCore (soup session feature initialization moved from Webprocess to WebCore in r107973).
Created attachment 150160 [details] Patch
Comment on attachment 150160 [details] Patch Informal rs+ on my side.
LGTM. ResourceHandleSoup.cpp initialize them.
Comment on attachment 150160 [details] Patch Clearing flags on attachment: 150160 Committed r121682: <http://trac.webkit.org/changeset/121682>
All reviewed patches have been landed. Closing bug.