Improve remaining TypeErrors in bindings code.

LayoutTests/svg/dynamic-updates/script-tests/SVGMarkerElement-svgdom-setOrientToAngle-call.js

 // [Name] SVGMarkerElement-svgdom-setOrientToAngle-call.js
 // [Expected rendering result] start & end markers are visible (and not rotated, compared to the other SVGMarkerElement* tests) - and a series of PASS messages
 
 description("Tests dynamic updates of the SVGMarkerElement object by using it's 'setOrientToAngle' method")
 createSVGTestCase();
 
 var markerElement = createSVGElement("marker");
 markerElement.setAttribute("id", "marker");
 markerElement.setAttribute("viewBox", "0 0 10 10");
 markerElement.setAttribute("markerWidth", "2");
@@ skipping 17 matching lines @@
 pathElement.setAttribute("stroke", "green");
 pathElement.setAttribute("stroke-width", "10");
 pathElement.setAttribute("marker-start", "url(#marker)");
 pathElement.setAttribute("marker-end", "url(#marker)");
 pathElement.setAttribute("d", "M 130 135 L 180 135 L 180 185");
 rootSVGElement.appendChild(pathElement);
 
 shouldBe("markerElement.orientType.baseVal", "SVGMarkerElement.SVG_MARKER_ORIENT_AUTO");
 shouldBe("markerElement.orientAngle.baseVal.value", "0");
 
-shouldThrow("markerElement.setOrientToAngle()", "'TypeError: Type error'");
-shouldThrow("markerElement.setOrientToAngle(true)", "'TypeError: Type error'");
-shouldThrow("markerElement.setOrientToAngle(2)", "'TypeError: Type error'");
-shouldThrow("markerElement.setOrientToAngle('aString')", "'TypeError: Type error'");
-shouldThrow("markerElement.setOrientToAngle(markerElement)", "'TypeError: Type error'");
+var typeError = '"TypeError: Failed to execute \'setOrientToAngle\' on \'SVGMarkerElement\': parameter 1 is not of type \'SVGAngle\'."';
+shouldThrow("markerElement.setOrientToAngle()", typeError);
+shouldThrow("markerElement.setOrientToAngle(true)", typeError);
+shouldThrow("markerElement.setOrientToAngle(2)", typeError);
+shouldThrow("markerElement.setOrientToAngle('aString')", typeError);
+shouldThrow("markerElement.setOrientToAngle(markerElement)", typeError);
 
 function repaintTest() {
     markerElement.setOrientToAngle(rootSVGElement.createSVGAngle());
 
     shouldBe("markerElement.orientType.baseVal", "SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE");
     shouldBe("markerElement.orientAngle.baseVal.value", "0");
 
     completeTest();
 }
 
 var successfullyParsed = true;