lib: make Navigator#language getter throw on invalid this
#59273
| Job | Run time |
|---|---|
| 1h 37m 59s | |
| 1h 37m 59s |
Navigator#language getter throw on invalid this
#59273
| Job | Run time |
|---|---|
| 1h 37m 59s | |
| 1h 37m 59s |