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

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-drawImage-incomplete.js

-description("Test that drawImage() does nothing with an incomplete image or video");
-
-if (window.testRunner)
-    testRunner.dumpAsText();
-
-var canvas = document.createElement("canvas");
-var ctx = canvas.getContext('2d');
-ctx.fillStyle = 'red';
-ctx.fillRect(0,0,150,150);
-
-var img = new Image();
-img.src = '../../http/tests/misc/resources/image-slow.pl';
-
-var video = document.createElement("video");
-
-shouldBe("ctx.drawImage(img, 0, 0)", "undefined");
-
-var imgdata = ctx.getImageData(0, 0, 1, 1).data;
-shouldBe("imgdata[0]", "255");
-shouldBe("imgdata[1]", "0");
-shouldBe("imgdata[2]", "0");
-shouldBe("imgdata[3]", "255");
-
-shouldBe("ctx.drawImage(video, 0, 0)", "undefined");
-
-imgdata = ctx.getImageData(0, 0, 1, 1).data;
-shouldBe("imgdata[0]", "255");
-shouldBe("imgdata[1]", "0");
-shouldBe("imgdata[2]", "0");
-shouldBe("imgdata[3]", "255");