These two are missing: #include "FrameLoader.h" #include "FrameLoaderClient.h" /var/tmp/portage/net-libs/webkit-gtk-2.40.5/work/webkitgtk-2.40.5/Source/WebCore/loader/MixedContentChecker.cpp:92:23: error: member access into incomplete type 'FrameLoader' frame.loader().client().didDisplayInsecureContent();