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

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-path-context-clip.js

-description("Series of tests to ensure clip() works with path and winding rule parameters.");
-
-var ctx = document.getElementById('canvas').getContext('2d');
-
-function pixelDataAtPoint() {
-  return ctx.getImageData(50, 50, 1, 1).data;
-}
-
-function checkResult(expectedColors, sigma) {
-    for (var i = 0; i < 4; i++)
-      shouldBeCloseTo("pixelDataAtPoint()[" + i + "]", expectedColors[i], sigma);
-}
-
-function drawRectanglesOn(contextOrPath) {
-  contextOrPath.rect(0, 0, 100, 100);
-  contextOrPath.rect(25, 25, 50, 50);
-}
-
-function formatName(fillRule, path) {
-  return 'clip(' + (path ? 'path' : '') + (fillRule && path ? ', ' : '') +
-          (fillRule ? '"' + fillRule + '"' : '') + ')';
-}
-
-function testClipWith(fillRule, path) {
-    debug('Testing ' + formatName(fillRule, path));
-    ctx.fillStyle = 'rgb(255,0,0)';
-    ctx.beginPath();
-    ctx.fillRect(0, 0, 100, 100);
-    ctx.fillStyle = 'rgb(0,255,0)';
-    if (path) {
-      if (fillRule) {
-        ctx.clip(path, fillRule);
-      } else {
-        ctx.clip(path);
-      }
-    } else {
-      ctx.beginPath();
-      drawRectanglesOn(ctx);
-      if (fillRule) {
-        ctx.clip(fillRule);
-      } else {
-        ctx.clip();
-      }
-    }
-    ctx.beginPath();
-    ctx.fillRect(0, 0, 100, 100);
-    if (fillRule == 'evenodd') {
-      checkResult([255, 0, 0, 255], 5);
-    } else {
-      checkResult([0, 255, 0, 255], 5);
-    }
-    debug('');
-}
-
-// Execute test.
-function prepareTestScenario() {
-    fillRules = [undefined, 'nonzero', 'evenodd'];
-    path = new Path2D();
-    drawRectanglesOn(path);
-
-    for (var i = 0; i < fillRules.length; i++) {
-       testClipWith(fillRules[i]);
-       testClipWith(fillRules[i], path);
-    }
-
-    // Test exception cases.
-    shouldThrow("ctx.clip(null)");
-    shouldThrow("ctx.clip(null, null)");
-    shouldThrow("ctx.clip(null, 'nonzero')");
-    shouldThrow("ctx.clip(path, null)");
-    shouldThrow("ctx.clip([], 'nonzero')");
-    shouldThrow("ctx.clip({}, 'nonzero')");
-    shouldThrow("ctx.clip(null, 'evenodd')");
-    shouldThrow("ctx.clip([], 'evenodd')");
-    shouldThrow("ctx.clip({}, 'evenodd')");
-    shouldThrow("ctx.clip('gazonk')");
-    shouldThrow("ctx.clip(path, 'gazonk')");
-    shouldThrow("ctx.clip(undefined, undefined)");
-    shouldThrow("ctx.clip(undefined, 'nonzero')");
-}
-
-// Run test and allow variation of results.
-prepareTestScenario();