panoMarker does not work correctly on firefox

[colideum]

panoMarker on Chrome remains on the very same correct place.
when tried to move panorama on Firefox ESR 45.7.0 (Your sample with bicycle), info icon moves away from the seat.

[jaydubal]

change

this.povToPixel_ = !!window.chrome ? PanoMarker.povToPixel3d :
PanoMarker.povToPixel2d;

TO

this.povToPixel_ = PanoMarker.povToPixel2d;
var pixelCanvas = document.createElement("canvas");

if (pixelCanvas && (pixelCanvas.getContext("experimental-webgl") || pixelCanvas.getContext("webgl"))) {
   this.povToPixel_ = PanoMarker.povToPixel3d;
 }