Device dock

The Design consists of the features of shape and configuration of the dock for electronic device shown in the drawings. The design is shown in three configurations. Figures 1-8 show a first configuration. Figures 9-16 show a second configuration, and Figures 17-24 show a third configuration. Portions shown by dashed lines do not form part of the design. Figure 1 is a front perspective view of the dock for electronic device according to the first closed configuration; Figure 2 is a back perspective view; Figure 3 is a front view; Figure 4 is a back view; Figure 5 is a right-side view; Figure 6 is a left-side view; Figure 7 is a top view; Figure 8 is a bottom view; Figure 9 is a front perspective view according to the second partially opened configuration; Figure 10 is a back perspective view; Figure 11 is a front view; Figure 12 is a back view; Figure 13 is a right-side view; Figure 14 is a left-side view; Figure 15 is a top view; Figure 16 is a bottom view; Figure 17 is a front perspective view according to the third fully opened configuration; Figure 18 is a back perspective view; Figure 19 is a front view; Figure 20 is a back view; Figure 21 is a right-side view; Figure 22 is a left-side view; Figure 23 is a top view; and Figure 24 is a bottom view.