Method deprecationWarning

core/src/processing/core/PApplet.java:11028–11032

(String method)

        }

        private void deprecationWarning(String method) {
          PGraphics.showWarning("Use surface." + method + "() instead of " +
                                "frame." + method + " in Processing 3");
          //new Exception(method).printStackTrace(System.out);
        }
      };

      surface.initFrame(this); //, backgroundColor, displayNum, fullScreen, spanDisplays);