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

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.cols.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.cols.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.cols.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.cols.worker.js
deleted file mode 100644
index c3a7d2504644c7c4dba0ee10f2d3b815ac2f76db..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.cols.worker.js
+++ /dev/null
@@ -1,27 +0,0 @@
-// DO NOT EDIT! This test has been generated by tools/gentest.py.
-// OffscreenCanvas test in a worker:2d.imageData.get.order.cols
-// Description:getImageData() returns leftmost columns first
-// Note:
-
-importScripts("/resources/testharness.js");
-importScripts("/common/canvas-tests.js");
-
-var t = async_test("getImageData() returns leftmost columns first");
-t.step(function() {
-
-var offscreenCanvas = new OffscreenCanvas(100, 50);
-var ctx = offscreenCanvas.getContext('2d');
-
-ctx.fillStyle = '#fff';
-ctx.fillRect(0, 0, 100, 50);
-ctx.fillStyle = '#000';
-ctx.fillRect(0, 0, 2, 50);
-var imgdata = ctx.getImageData(0, 0, 10, 10);
-_assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0");
-_assertSame(imgdata.data[Math.round(imgdata.width/2*4)], 255, "imgdata.data[Math.round(imgdata.width/2*4)]", "255");
-_assertSame(imgdata.data[Math.round((imgdata.height/2)*imgdata.width*4)], 0, "imgdata.data[Math.round((imgdata.height/2)*imgdata.width*4)]", "0");
-
-t.done();
-
-});
-done();