Roll IDL to Dartium37 (r181268)

core/frame/NavigatorID.idl

Index: core/frame/NavigatorID.idl
diff --git a/core/frame/NavigatorID.idl b/core/frame/NavigatorID.idl
index c581ad98bf25d706a614759e471c1703fa2cb99f..0cbd745596000fde6da7bb751dd5297c5c558772 100644
--- a/core/frame/NavigatorID.idl
+++ b/core/frame/NavigatorID.idl
@@ -28,13 +28,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// http://www.whatwg.org/specs/web-apps/current-work/#navigatorid
+
 [
-    NoInterfaceObject
+    NoInterfaceObject, // Always used on target of 'implements'
 ] interface NavigatorID {
+    readonly attribute DOMString appCodeName; // constant "Mozilla"
     readonly attribute DOMString appName;
     readonly attribute DOMString appVersion;
     readonly attribute DOMString platform;
+    readonly attribute DOMString product; // constant "Gecko"
     readonly attribute DOMString userAgent;
-    readonly attribute DOMString appCodeName;
-    readonly attribute DOMString product;
+
+    readonly attribute boolean dartEnabled;
 };