Submit Compositor Frame from OffscreenCanvas on main

third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-commit-main.html

Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-commit-main.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-commit-main.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-commit-main.html
new file mode 100644
index 0000000000000000000000000000000000000000..e4788772905425039aa978f1eca894eeca17eb01
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-commit-main.html
@@ -0,0 +1,15 @@
+<!DOCTYPE>
+<canvas id="canvas2D" width="50" height="50" background-color="red"></canvas>
+<script>
+if (window.testRunner) {
+    testRunner.dumpAsTextWithPixelResults();
+}
+
+// Currently, we push a Green color frame from OffscreenCanvas; so we test
+// whether the associated canvas has green pixel. In the future, when we
+// change solidColorFrame to textureFrame, the expected png needs to changed too.
+var canvas2D = document.getElementById("canvas2D");
+var offscreenCanvas = canvas2D.transferControlToOffscreen();
+var offscreen2d = offscreenCanvas.getContext("2d");
+offscreen2d.commit();
+</script>