Update more-routing for md-settings

third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js

Index: third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js
diff --git a/third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js b/third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js
index 7a5ea6abed4b0e5578a9b86e3ab8c8dd62bb0110..549aadf39b19c50ccce58ec0bf12897f653750a3 100644
--- a/third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js
+++ b/third_party/polymer/v0_8/components-chromium/more-routing/more-route-extracted.js
@@ -143,22 +143,23 @@
 
     _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));
     },