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

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.create2.large.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.create2.large.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.create2.large.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.create2.large.worker.js
deleted file mode 100644
index d8ae14cf4b2f327c459f073ef064d0c05a2f8656..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.create2.large.worker.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// DO NOT EDIT! This test has been generated by tools/gentest.py.
-// OffscreenCanvas test in a worker:2d.imageData.create2.large
-// Description:createImageData(sw, sh) works for sizes much larger than the canvas
-// Note:
-
-importScripts("/resources/testharness.js");
-importScripts("/common/canvas-tests.js");
-
-var t = async_test("createImageData(sw, sh) works for sizes much larger than the canvas");
-t.step(function() {
-
-var offscreenCanvas = new OffscreenCanvas(100, 50);
-var ctx = offscreenCanvas.getContext('2d');
-
-var imgdata = ctx.createImageData(1000, 2000);
-_assertSame(imgdata.data.length, imgdata.width*imgdata.height*4, "imgdata.data.length", "imgdata.width*imgdata.height*4");
-_assert(imgdata.width < imgdata.height, "imgdata.width < imgdata.height");
-_assert(imgdata.width > 0, "imgdata.width > 0");
-var isTransparentBlack = true;
-for (var i = 0; i < imgdata.data.length; i += 7813) // check ~1024 points (assuming normal scaling)
-    if (imgdata.data[i] !== 0)
-        isTransparentBlack = false;
-_assert(isTransparentBlack, "isTransparentBlack");
-
-t.done();
-
-});
-done();