Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/paper-fab/paper-fab-extracted.js

 Polymer({
-    is: 'paper-fab',
+      is: 'paper-fab',
 
-    behaviors: [
-      Polymer.PaperButtonBehavior
-    ],
+      behaviors: [
+        Polymer.PaperButtonBehavior
+      ],
 
-    properties: {
-      /**
-       * The URL of an image for the icon. If the src property is specified,
-       * the icon property should not be.
-       *
-       * @attribute src
-       * @type string
-       * @default ''
-       */
-      src: {
-        type: String,
-        value: ''
+      properties: {
+        /**
+         * The URL of an image for the icon. If the src property is specified,
+         * the icon property should not be.
+         */
+        src: {
+          type: String,
+          value: ''
+        },
+
+        /**
+         * Specifies the icon name or index in the set of icons available in
+         * the icon's icon set. If the icon property is specified,
+         * the src property should not be.
+         */
+        icon: {
+          type: String,
+          value: ''
+        },
+
+        /**
+         * Set this to true to style this is a "mini" FAB.
+         */
+        mini: {
+          type: Boolean,
+          value: false,
+          reflectToAttribute: true
+        },
+
+        /**
+         * The label displayed in the badge. The label is centered, and ideally
+         * should have very few characters.
+         */
+        label: {
+          type: String,
+          observer: '_labelChanged'
+        }
       },
 
-      /**
-       * Specifies the icon name or index in the set of icons available in
-       * the icon's icon set. If the icon property is specified,
-       * the src property should not be.
-       *
-       * @attribute icon
-       * @type string
-       * @default ''
-       */
-      icon: {
-        type: String,
-        value: ''
+      _labelChanged: function() {
+        this.setAttribute('aria-label', this.label);
       },
 
-      /**
-       * Set this to true to style this is a "mini" FAB.
-       *
-       * @attribute mini
-       * @type boolean
-       * @default false
-       */
-      mini: {
-        type: Boolean,
-        value: false,
-        reflectToAttribute: true
+      _computeIsIconFab: function(icon, src) {
+        return (icon.length > 0) || (src.length > 0);
       }
-    }
-  });
+    });