[webgui] let compile with newest CEF version 
[webgui] let compile with newest CEF version 

As usual, CEF changes API. Now try to check version and use
different function signatures.
karies/root,karies/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,karies/root,root-mirror/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root