Update Polymer from 1.1.4 -> 1.1.5

third_party/polymer/v1_0/components-chromium/iron-media-query/iron-media-query-extracted.js

-
+Polymer({
 
-  Polymer({
-
     is: 'iron-media-query',
 
     properties: {
 
       /**
        * The Boolean return value of the media query.
        */
       queryMatches: {
         type: Boolean,
         value: false,
         readOnly: true,
         notify: true
       },
 
       /**
        * The CSS media query to evaluate.
        */
       query: {
         type: String,
         observer: 'queryChanged'
+      },
+
+      _boundMQHandler: {
+        value: function() {
+          return this.queryHandler.bind(this);
+        }
       }
-
     },
 
-    created: function() {
-      this._mqHandler = this.queryHandler.bind(this);
+    attached: function() {
+      this.queryChanged();
     },
 
-    queryChanged: function(query) {
+    detached: function() {
+      this._remove();
+    },
+
+    _add: function() {
       if (this._mq) {
-        this._mq.removeListener(this._mqHandler);
+        this._mq.addListener(this._boundMQHandler);
+      }
+    },
+
+    _remove: function() {
+      if (this._mq) {
+        this._mq.removeListener(this._boundMQHandler);
+      }
+      this._mq = null;
+    },
+
+    queryChanged: function() {
+      this._remove();
+      var query = this.query;
+      if (!query) {
+        return;
       }
       if (query[0] !== '(') {
         query = '(' + query + ')';
       }
       this._mq = window.matchMedia(query);
-      this._mq.addListener(this._mqHandler);
+      this._add();
       this.queryHandler(this._mq);
     },
 
     queryHandler: function(mq) {
       this._setQueryMatches(mq.matches);
     }
 
-  });
-
+  });