Add offscreen-canvas to the list of wpt directories to skip.

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/path-objects/2d.path.arcTo.shape.curve2.worker.js

-// DO NOT EDIT! This test has been generated by tools/gentest.py.
-// OffscreenCanvas test in a worker:2d.path.arcTo.shape.curve2
-// Description:arcTo() curves in the right kind of shape
-// Note:
-
-importScripts("/resources/testharness.js");
-importScripts("/common/canvas-tests.js");
-
-var t = async_test("arcTo() curves in the right kind of shape");
-t.step(function() {
-
-var offscreenCanvas = new OffscreenCanvas(100, 50);
-var ctx = offscreenCanvas.getContext('2d');
-
-var tol = 1.5; // tolerance to avoid antialiasing artifacts
-ctx.fillStyle = '#0f0';
-ctx.fillRect(0, 0, 100, 50);
-ctx.fillStyle = '#f00';
-ctx.beginPath();
-ctx.rect(10, 20, 45, 10);
-ctx.moveTo(80, 45);
-ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true);
-ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false);
-ctx.fill();
-ctx.strokeStyle = '#0f0';
-ctx.lineWidth = 10;
-ctx.beginPath();
-ctx.moveTo(10, 25);
-ctx.arcTo(75, 25, 75, 60, 20);
-ctx.stroke();
-_assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
-_assertPixel(offscreenCanvas, 55,19, 0,255,0,255, "55,19", "0,255,0,255");
-_assertPixel(offscreenCanvas, 55,20, 0,255,0,255, "55,20", "0,255,0,255");
-_assertPixel(offscreenCanvas, 55,21, 0,255,0,255, "55,21", "0,255,0,255");
-_assertPixel(offscreenCanvas, 64,22, 0,255,0,255, "64,22", "0,255,0,255");
-_assertPixel(offscreenCanvas, 65,21, 0,255,0,255, "65,21", "0,255,0,255");
-_assertPixel(offscreenCanvas, 72,28, 0,255,0,255, "72,28", "0,255,0,255");
-_assertPixel(offscreenCanvas, 73,27, 0,255,0,255, "73,27", "0,255,0,255");
-_assertPixel(offscreenCanvas, 78,36, 0,255,0,255, "78,36", "0,255,0,255");
-_assertPixel(offscreenCanvas, 79,35, 0,255,0,255, "79,35", "0,255,0,255");
-_assertPixel(offscreenCanvas, 80,44, 0,255,0,255, "80,44", "0,255,0,255");
-_assertPixel(offscreenCanvas, 80,45, 0,255,0,255, "80,45", "0,255,0,255");
-_assertPixel(offscreenCanvas, 80,46, 0,255,0,255, "80,46", "0,255,0,255");
-
-t.done();
-
-});
-done();