Revert "Removed unused state variables"
Revert "Removed unused state variables"

Altough the UserAgent never uses these variables the session class does.

This reverts commit a59fffe627fd9da006dd00320a068f87ecfb8367.

playcanvas/ShareJS,dialoghq/ShareJS,igmcdowell/ShareJS,freewind/ShareJS,matthewbauer/ShareJS,dialoghq/ShareJS,dialoghq/ShareJS,playcanvas/ShareJS,rasata/ShareJS,erpframework/ShareJS,a0x/ShareJS,kustomzone/ShareJS,gdseller/ShareJS,gdseller/ShareJS,luto/ShareJS,igmcdowell/ShareJS,kantele/k-share,Nzaga/ShareJS,share/ShareJS,mcanthony/ShareJS,modulexcite/ShareJS