Update more-routing for md-settings

third_party/polymer/v0_8/components/more-routing/more-route.html

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 Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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 <link rel="import" href="../polymer/polymer.html">
-<link rel="import" href="../observe-js/observe-js.html">
 
 <link rel="import" href="routing.html">
 <link rel="import" href="more-route-context-aware.html">
 
 <script>
 
   Polymer({
 
     is: 'more-route',
 
@@ skipping 129 matching lines @@
         if (parent.nodeType === Node.ELEMENT_NODE) {
           parent.moreRouteContext = this.route;
         } else {
           console.warn('Unable to determine parent element for', this, '- not setting a context');
         }
       }
     },
 
     _observeRoute: function() {
       // TODO(nevir) https://github.com/Polymore/more-routing/issues/24
-      if (this._routeObserver) this._routeObserver.close();
-      if (this._paramObserver) this._paramObserver.close();
+      if (this._routeListener) {
+        this._routeListener.close();
+        this._routeListener = null;
+      }
+      if (this._paramListener) {
+        this._paramListener.close();
+        this._paramListener = null;
+      }
       if (!this.route) return;
 
-      this._routeObserver = new CompoundObserver();
-      this._routeObserver.addPath(this.route, 'active');
-      this._routeObserver.open(function() {
-        this._setActive(this.route.active);
+      this._routeListener = this.route.__subscribe(function() {
+        this._setActive(this.route && this.route.active);
       }.bind(this));
 
-      this._paramObserver = new ObjectObserver(this.route.params);
-      this._paramObserver.open(function(added, removed, changed, getOldValue) {
-        var keys = Object.keys(added).concat(Object.keys(removed)).concat(Object.keys(changed));
-        keys.forEach(function(key) {
-          this.notifyPath('params.' + key, this.params[key]);
-        }.bind(this));
+      this._paramListener = this.route.params.__subscribe(function(key, value) {
+        // https://github.com/Polymer/polymer/issues/1505
+        this.notifyPath('params.' + key, value);
       }.bind(this));
     },
 
     urlFor: function(params) {
       return this.route.urlFor(params);
     },
 
     navigateTo: function(params) {
       return this.route.navigateTo(params);
     },
 
     isCurrentUrl: function(params) {
       return this.route.isCurrentUrl(params);
     },
 
   });
 
 </script>