Implement DeviceLight

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

+description("Tests that the window.DeviceLightEvent and window.ondevicelight properties are present.");
+
+function hasDeviceLightEventProperty()
+{
+    for (var property in window) {
+        if (property == "DeviceLightEvent")
+            return true;
+    }
+    return false;
+}
+
+shouldBeTrue("typeof window.DeviceLightEvent == 'object'");
+shouldBeFalse("typeof window.DeviceLightEvent == 'function'");
+shouldBeTrue("hasDeviceLightEventProperty()");
+shouldBeTrue("'DeviceLightEvent' in window");
+shouldBeTrue("window.hasOwnProperty('DeviceLightEvent')");
+
+function hasOnDeviceLightProperty()
+{
+    for (var property in window) {
+        if (property == "ondevicelight")
+          return true;
+    }
+}
+
+shouldBeTrue("typeof window.ondevicelight == 'object'");
+shouldBeTrue("hasOnDeviceLightProperty()");
+shouldBeTrue("'ondevicelight' in window");
+shouldBeTrue("window.hasOwnProperty('ondevicelight')");