We claim the ornamental design for a controller housing, as shown and described.
FIG. 1 is a top perspective view from above of the claimed design of a controller housing;
FIG. 2 is a right side view of the claimed design of FIG. 1;
FIG. 3 is a left side view of the claimed design of FIG. 1;
FIG. 4 is a front side view of the claimed design of FIG. 1;
FIG. 5 is a rear side view of the claimed design of FIG. 1;
FIG. 6 is a top side view of the claimed design of FIG. 1; and,
FIG. 7 is a bottom side view of the claimed design of FIG. 1.
Any portion of the article depicted in broken lines forms no part of the claimed design. Broken lines formed by equal length dashes show unclaimed portions of the design. Broken lines formed of unequal length dashes (i.e., dash-dot) show boundaries between claimed and unclaimed portions of the design. Oblique lines indicate a reflective or shiny surface.