Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-arc-360-winding.js

-description("This tests canvas full arc fill with nonzero winding rule. Eight green concentric thick circumferences should be displayed.");
-
-var canvas = document.createElement('canvas');
-document.body.appendChild(canvas)
-canvas.setAttribute('width', '300');
-canvas.setAttribute('height', '150');
-var ctx = canvas.getContext('2d');
-
-var r;
-var anticlockwise = true;
-ctx.beginPath();
-for (r = 200; r >= 10; r -= 10) {
-    ctx.moveTo(150 + r, 75);
-    ctx.arc(150, 75, r, 0, Math.PI*2, anticlockwise);
-    ctx.closePath();
-    anticlockwise = !anticlockwise;
-}
-ctx.fillStyle = 'rgba(0, 255, 0, 1)';
-ctx.strokeStyle = 'rgba(0, 255, 0, 1)';
-ctx.fill();
-ctx.stroke();
-
-var imageData = ctx.getImageData(297, 75, 1, 1);
-var data = imageData.data;
-shouldBe("data[0]", "0");
-shouldBe("data[1]", "0");
-shouldBe("data[2]", "0");
-
-imageData = ctx.getImageData(285, 5, 1, 1);
-data = imageData.data;
-shouldBe("data[0]", "0");
-shouldBe("data[1]", "255");
-shouldBe("data[2]", "0");
-
-imageData = ctx.getImageData(277, 75, 1, 1);
-data = imageData.data;
-shouldBe("data[0]", "0");
-shouldBe("data[1]", "0");
-shouldBe("data[2]", "0");