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

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.self.2.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.self.2.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.self.2.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.self.2.worker.js
deleted file mode 100644
index b3c005e2e75a8ab907c29834db19fc865cb87c35..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.self.2.worker.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// DO NOT EDIT! This test has been generated by tools/gentest.py.
-// OffscreenCanvas test in a worker:2d.drawImage.self.2
-// Description:
-// Note:
-
-importScripts("/resources/testharness.js");
-importScripts("/common/canvas-tests.js");
-
-var t = async_test("");
-t.step(function() {
-
-var offscreenCanvas = new OffscreenCanvas(100, 50);
-var ctx = offscreenCanvas.getContext('2d');
-
-ctx.fillStyle = '#0f0';
-ctx.fillRect(0, 1, 100, 49);
-ctx.fillStyle = '#f00';
-ctx.fillRect(0, 0, 100, 1);
-ctx.drawImage(offscreenCanvas, 0, 1);
-ctx.fillStyle = '#0f0';
-ctx.fillRect(0, 0, 100, 2);
-_assertPixelApprox(offscreenCanvas, 0,0, 0,255,0,255, "0,0", "0,255,0,255", 2);
-_assertPixelApprox(offscreenCanvas, 99,0, 0,255,0,255, "99,0", "0,255,0,255", 2);
-_assertPixelApprox(offscreenCanvas, 0,49, 0,255,0,255, "0,49", "0,255,0,255", 2);
-_assertPixelApprox(offscreenCanvas, 99,49, 0,255,0,255, "99,49", "0,255,0,255", 2);
-
-t.done();
-
-});
-done();