Convert LayoutTests/svg/dom/SVGAnimated*.html js-tests.js to testharness.js based tests.

third_party/WebKit/LayoutTests/svg/dom/script-tests/SVGAnimatedLength.js

-description("This test checks the SVGAnimatedLength API - utilizing the width property of SVGRectElement");
-
-var rectElement = document.createElementNS("http://www.w3.org/2000/svg", "rect");
-
-debug("");
-debug("Check initial width value");
-shouldBeEqualToString("rectElement.width.toString()", "[object SVGAnimatedLength]");
-shouldBeEqualToString("rectElement.width.baseVal.toString()", "[object SVGLength]");
-shouldBe("rectElement.width.baseVal.value", "0");
-
-debug("");
-debug("Check that lengths are dynamic, caching value in a local variable and modifying it, should take effect");
-var numRef = rectElement.width.baseVal;
-numRef.value = 100;
-shouldBe("numRef.value", "100");
-shouldBe("rectElement.width.baseVal.value", "100");
-
-debug("");
-debug("Check that assigning to baseVal has no effect, as no setter is defined");
-shouldBe("rectElement.width.baseVal = -1", "-1");
-shouldBeEqualToString("rectElement.width.baseVal = 'aString'", "aString");
-shouldBe("rectElement.width.baseVal = rectElement", "rectElement");
-
-debug("");
-debug("Check that the width value remained 100, and the baseVal type has not been changed");
-shouldBeEqualToString("rectElement.width.baseVal.toString()", "[object SVGLength]");
-shouldBe("rectElement.width.baseVal.value", "100");
-
-successfullyParsed = true;