AddRefVar          27 ppapi/shared_impl/ppb_var_shared.cc void AddRefVar(PP_Var var) {
AddRefVar          64 ppapi/shared_impl/var_tracker.cc bool VarTracker::AddRefVar(int32 var_id) {
AddRefVar          89 ppapi/shared_impl/var_tracker.cc bool VarTracker::AddRefVar(const PP_Var& var) {