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

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/line-styles/2d.line.cap.round.worker.js

-// DO NOT EDIT! This test has been generated by tools/gentest.py.
-// OffscreenCanvas test in a worker:2d.line.cap.round
-// Description:lineCap 'round' is rendered correctly
-// Note:
-
-importScripts("/resources/testharness.js");
-importScripts("/common/canvas-tests.js");
-
-var t = async_test("lineCap 'round' is rendered correctly");
-t.step(function() {
-
-var offscreenCanvas = new OffscreenCanvas(100, 50);
-var ctx = offscreenCanvas.getContext('2d');
-
-ctx.fillStyle = '#0f0';
-ctx.fillRect(0, 0, 100, 50);
-var tol = 1; // tolerance to avoid antialiasing artifacts
-ctx.lineCap = 'round';
-ctx.lineWidth = 20;
-ctx.fillStyle = '#f00';
-ctx.strokeStyle = '#0f0';
-ctx.beginPath();
-ctx.moveTo(35-tol, 15);
-ctx.arc(25, 15, 10-tol, 0, Math.PI, true);
-ctx.arc(25, 35, 10-tol, Math.PI, 0, true);
-ctx.fill();
-ctx.beginPath();
-ctx.moveTo(25, 15);
-ctx.lineTo(25, 35);
-ctx.stroke();
-ctx.fillStyle = '#0f0';
-ctx.strokeStyle = '#f00';
-ctx.beginPath();
-ctx.moveTo(75, 15);
-ctx.lineTo(75, 35);
-ctx.stroke();
-ctx.beginPath();
-ctx.moveTo(85+tol, 15);
-ctx.arc(75, 15, 10+tol, 0, Math.PI, true);
-ctx.arc(75, 35, 10+tol, Math.PI, 0, true);
-ctx.fill();
-_assertPixel(offscreenCanvas, 17,6, 0,255,0,255, "17,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 25,6, 0,255,0,255, "25,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 32,6, 0,255,0,255, "32,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 17,43, 0,255,0,255, "17,43", "0,255,0,255");
-_assertPixel(offscreenCanvas, 25,43, 0,255,0,255, "25,43", "0,255,0,255");
-_assertPixel(offscreenCanvas, 32,43, 0,255,0,255, "32,43", "0,255,0,255");
-_assertPixel(offscreenCanvas, 67,6, 0,255,0,255, "67,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 75,6, 0,255,0,255, "75,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 82,6, 0,255,0,255, "82,6", "0,255,0,255");
-_assertPixel(offscreenCanvas, 67,43, 0,255,0,255, "67,43", "0,255,0,255");
-_assertPixel(offscreenCanvas, 75,43, 0,255,0,255, "75,43", "0,255,0,255");
-_assertPixel(offscreenCanvas, 82,43, 0,255,0,255, "82,43", "0,255,0,255");
-
-t.done();
-
-});
-done();