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

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-imageSmoothingEnabled-repaint.js

-// This is a regression test for bug https://bugs.webkit.org/show_bug.cgi?id=89018
-
-description("Tests that disabling the imageSmoothingEnabled attribute still works after multiple repaints");
-var dstCanvas = document.getElementById("destination");
-var dstCtx = dstCanvas.getContext('2d');
-var srcCanvas = document.getElementById("source");
-var srcCtx = srcCanvas.getContext('2d');
-
-
-var srcCanvas, srcCtx, dstCanvas, dstCtx;
-
-function draw()
-{
-    srcCtx.clearRect(0, 0, 300, 300);
-    dstCtx.clearRect(0, 0, 300, 300);
-    srcCtx.fillStyle = "rgb(255, 0, 0)";
-    srcCtx.fillRect(0, 0, 1, 1);
-    srcCtx.fillStyle = "rgb(0, 255, 0)";
-    srcCtx.fillRect(1, 0, 1, 1);
-    dstCtx.imageSmoothingEnabled = false;
-    dstCtx.drawImage(srcCanvas, 0, 0, 2, 1, 0, 0, 300, 300);
-}
-
-function testResult() {
-    debug("Test that the image is not filtered");
-    left_of_center_pixel = dstCtx.getImageData(149, 150, 1, 1);
-    shouldBe("left_of_center_pixel.data[0]", "255");
-    shouldBe("left_of_center_pixel.data[1]", "0");
-    shouldBe("left_of_center_pixel.data[2]", "0");
-    right_of_center_pixel = dstCtx.getImageData(150, 150, 1, 1);
-    shouldBe("right_of_center_pixel.data[0]", "0");
-    shouldBe("right_of_center_pixel.data[1]", "255");
-    shouldBe("right_of_center_pixel.data[2]", "0");
-    finishJSTest();
-}
-
-// Bug 89018 requires 2 draw iteration in order to manifest itself.
-var drawIterations = 2;
-
-function BrowserPaint(){
-    draw();
-    if (drawIterations > 0) {
-        drawIterations = drawIterations - 1;
-        window.requestAnimationFrame(BrowserPaint);
-    } else {
-        testResult();
-    }
-}
-
-function onLoadHandler()
-{
-    BrowserPaint();
-}
-
-window.jsTestIsAsync = true;
-window.onload = onLoadHandler;
-