In Mexico baño is used at home, restaurants, hospitals, but in English the words are bathroom and restroom.
"Baño" refers to the place where we have the shower or the bath at home and it stands for "toilet" or "restroom" in English. "Tocador" is a furniture with a mirror (which can be placed on a bedroom). Women use it to make up or retouching their make up, brushing their hair, etc. There is a room called "tocador" just like the furniture and is function is exactly the same.
This is a "tocador" (furniture):