The ornamental design for control buttons for video game controller, as shown and described.
FIG. 1 is a top rear perspective view of control buttons for video game controller showing our new design;
FIG. 2 is a top front perspective view thereof;
FIG. 3 is an enlarged top front perspective view thereof;
FIG. 4 is a top left perspective view thereof; and,
FIG. 5 is a top right perspective view thereof.
The bottoms of the buttons are flat and unornamented.
The broken line showing of a video game controller is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
Our control buttons are characterized by one indented and one protruding button.