Import wpt@3c8896ae408c8fd594979da7c99970029e7856a7

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.transparent.destination-over.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.transparent.destination-over.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.transparent.destination-over.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.transparent.destination-over.worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..1160e73d84496ae094df07d6c89dd8f0f00d2bd8
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.transparent.destination-over.worker.js
@@ -0,0 +1,26 @@
+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.composite.transparent.destination-over
+// 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 = 'rgba(0, 255, 0, 0.5)';
+ctx.fillRect(0, 0, 100, 50);
+ctx.globalCompositeOperation = 'destination-over';
+ctx.fillStyle = 'rgba(0, 0, 255, 0.75)';
+ctx.fillRect(0, 0, 100, 50);
+_assertPixelApprox(offscreenCanvas, 50,25, 0,146,109,223, "50,25", "0,146,109,223", 5);
+
+t.done();
+
+});
+done();