[Windowing] Show title of navigated object

Show title of navigated object in window, WTD-1200.

platform/commonUI/browse/src/windowing/WindowTitler.js

@@ -0,0 +1,30 @@
+/*global define,Promise*/
+
+define(
+    [],
+    function () {
+        "use strict";
+
+        /**
+         *
+         * @constructor
+         */
+        function WindowTitler(navigationService, $rootScope, $document) {
+            // Look up name of the navigated domain object...
+            function getNavigatedObjectName() {
+                var navigatedObject = navigationService.getNavigation();
+                return navigatedObject && navigatedObject.getModel().name;
+            }
+
+            // Set the window title...
+            function setTitle(name) {
+                $document[0].title = name;
+            }
+
+            // Watch the former, and invoke the latter
+            $rootScope.$watch(getNavigatedObjectName, setTitle);
+        }
+
+        return WindowTitler;
+    }
+);