Generic Sensor API : Ambient Light Sensor API.

third_party/WebKit/LayoutTests/fast/dom/Window/resources/window-property-collector.js

 function collectProperties(windowHasBeenGCed)
 {
     // Collect properties of the top-level window, since touching the properties
     // of a DOMWindow affects its internal C++ state.
     collectPropertiesHelper(window, windowHasBeenGCed, []);
 
     propertiesToVerify.sort(function (a, b)
     {
         if (a.property < b.property)
             return -1
@@ skipping 32 matching lines @@
 
     // Various special cases for legacy reasons. Please do not add entries to this list.
     var propertyPath = path.join('.');
 
     // Connection type depends on the host, skip.
     if (propertyPath == 'navigator.connection.type')
       return;
     if (propertyPath == 'navigator.connection.downlinkMax')
       return;
 
+    // Skip some lightSensor properties.
+    if (propertyPath == 'navigator.lightSensor.reading.illuminance' || propertyPath == 'navigator.lightSensor.state')
+      return;
+
     switch (propertyPath) {
     case "location.href":
         expected = "'about:blank'";
         break;
     case "location.origin":
         expected = "'null'";
         break;
     case "location.pathname":
         expected = "'blank'";
         break;
@@ skipping 49 matching lines @@
             emitExpectedResult(path, "0");
         } else if (type == "boolean") {
             expected = "false";
             if (path == "closed" && windowHasBeenGCed )
                 expected = "true";
             emitExpectedResult(path, expected);
         }
         path.pop();
     }
 }