WaE: overriding virtual function declaration not marked 'override'

Change-Id: If610c94f02da66d3f83f0787ef0dcebab47ebe2d
WaE: passing class rtl::OUString by value, rather pass by reference

Change-Id: Ie42cc9cbf13467d6c1644dc35e361250bd3a9533
WaE: overriding virtual function declaration not marked 'override'

Change-Id: I3c210fa3866fe34c4e5f9ea799a4156862290432
WaE: overriding virtual function declaration not marked 'override'

Change-Id: Ic7f3e661a4824cca06fc16f2b1f23a2873ef4ecf