Bug 1086612 - CSP: Let source expression be the empty set in case no valid source can be parsed (r=sstamm)
Bug 1086612 - CSP: Let source expression be the empty set in case no valid source can be parsed - tests (r=sstamm)
Bug 1086612 - CSP: Let source expression be the empty set in case no valid source can be parsed - update parser tests (r=sstamm)