Remove canvas.drawCustomFocusRing()

Source/core/html/canvas/CanvasRenderingContext2D.idl

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 80 matching lines @@
     // FIXME: Simplify these using optional CanvasFillRule once crbug.com/339000 gets fixed.
     void fill();
     void fill(CanvasFillRule winding);
     [RuntimeEnabled=Path2D] void fill(Path2D path);
     [RuntimeEnabled=Path2D] void fill(Path2D path, CanvasFillRule winding);
     void stroke();
     [RuntimeEnabled=Path2D] void stroke(Path2D path);
     // Focus rings
     void drawFocusIfNeeded(Element element);
     [RuntimeEnabled=Path2D] void drawFocusIfNeeded(Path2D path, Element element);
-    [RuntimeEnabled=ExperimentalCanvasFeatures] boolean drawCustomFocusRing(Element element);
 
     [RuntimeEnabled=ExperimentalCanvasFeatures] void scrollPathIntoView();
     [RuntimeEnabled=ExperimentalCanvasFeatures] void scrollPathIntoView(Path2D path);
     // FIXME: Simplify these using optional CanvasFillRule once crbug.com/339000 gets fixed.
     void clip();
     void clip(CanvasFillRule winding);
     [RuntimeEnabled=Path2D] void clip(Path2D path);
     [RuntimeEnabled=Path2D] void clip(Path2D path, CanvasFillRule winding);
     // FIXME: Simplify these using optional CanvasFillRule once crbug.com/339000 gets fixed.
     boolean isPointInPath(unrestricted float x, unrestricted float y);
@@ skipping 72 matching lines @@
     [MeasureAs=CanvasRenderingContext2DDrawImageFromRect] void drawImageFromRect(
         HTMLImageElement? image, optional unrestricted float sx, optional unrestricted float sy, optional unrestricted float sw, optional unrestricted float sh,
         optional unrestricted float dx, optional unrestricted float dy, optional unrestricted float dw, optional unrestricted float dh, optional DOMString compositeOperation);
     [MeasureAs=CanvasRenderingContext2DSetShadow] void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, optional DOMString color, optional unrestricted float alpha);
     [MeasureAs=CanvasRenderingContext2DSetShadow] void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float grayLevel, optional unrestricted float alpha);
     [MeasureAs=CanvasRenderingContext2DSetShadow] void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
     [MeasureAs=CanvasRenderingContext2DSetShadow] void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);
 };
 
 CanvasRenderingContext2D implements CanvasPathMethods;