Global constructors should be configurable and not enumerable

LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js

Index: LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js
diff --git a/LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js b/LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js
index 0d8750a842071c4f82eae24a2af07fc73982458f..58c3c8d6d9ca27fa03b18b979d9d41006f1aa52c 100644
--- a/LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js
+++ b/LayoutTests/fast/dom/DeviceOrientation/script-tests/window-property.js
@@ -1,17 +1,8 @@
 description('Tests that the window.DeviceOrientationEvent and window.ondeviceorientation properties are present.');
 
-function hasDeviceOrientationEventProperty()
-{
-    for (var property in window) {
-        if (property == 'DeviceOrientationEvent')
-            return true;
-    }
-    return false;
-}
-
 shouldBeTrue("typeof window.DeviceOrientationEvent == 'object'");
 shouldBeFalse("typeof window.DeviceOrientationEvent == 'function'");
-shouldBeTrue("hasDeviceOrientationEventProperty()");
+shouldBeFalse("window.propertyIsEnumerable('DeviceOrientationEvent')");
 shouldBeTrue("'DeviceOrientationEvent' in window");
 shouldBeTrue("window.hasOwnProperty('DeviceOrientationEvent')");