The ornamental design for an automobilefrontbumper, as shown and described.
FIG. 1 is a front and right side perspective view of the automobile front bumper showing my new design;
FIG. 2 is a rear and left side perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a front and right side perspective view thereof, wherein the automobile front bumper is shown installed on an environmental automobile.
In FIG. 8 the de-emphasized and half-tone portions showing the automobile are provided for the purposes of illustrating environmental structure and form no part of the claimed design. Alternatively, the portions of the automobile front bumper that are shown within the broken line boundary in said figure form part of the claimed design.