Cover for electronic device

FIG. 1 is a front perspective view of a cover for electronic device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view of the cover for electronic device shown in an example environment.

The broken lines in the drawings depict environmental structure that forms no part of the claimed design.