The ornamental design for a vitreouschinapedestalsink, as shown and described.
FIG. 1 is a front perspective view of a sink showing my new design;
FIG. 2 is a front view of the sink shown in FIG. 1;
FIG. 3 is a right side view of the sink shown in FIG. 1, the left side being a mirror image thereof; and,
FIG. 4 is a top view of the sink shown in FIG. 1.
The broken line showing of the faucet holes, spillover hole, drain hole, and bolt cavities is for illustrative purposes only and forms no part of the claimed design. The back of the sink is plain and unornamented.