Update Polymer components.

third_party/polymer/components/iron-input/iron-input.html

 <!--
 @license
 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
 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
 Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
@@ skipping 90 matching lines @@
         value: false
       }
 
     },
 
     listeners: {
       'input': '_onInput',
       'keypress': '_onKeypress'
     },
 
-    /** @suppress {checkTypes} */
     registered: function() {
       // Feature detect whether we need to patch dispatchEvent (i.e. on FF and IE).
       if (!this._canDispatchEventOnDisabled()) {
         this._origDispatchEvent = this.dispatchEvent;
         this.dispatchEvent = this._dispatchEventFirefoxIE;
       }
     },
 
     created: function() {
       Polymer.IronA11yAnnouncer.requestAvailability();
     },
 
     _canDispatchEventOnDisabled: function() {
       var input = document.createElement('input');
       var canDispatch = false;
       input.disabled = true;
 
       input.addEventListener('feature-check-dispatch-event', function() {
         canDispatch = true;
       });
 
       try {
         input.dispatchEvent(new Event('feature-check-dispatch-event'));
       } catch(e) {}
 
       return canDispatch;
     },
 
-    _dispatchEventFirefoxIE: function() {
+    /**
+     * @this {Node}
+     * @param {!Event} event
+     * @return {boolean}
+     */
+    _dispatchEventFirefoxIE: function(event) {
       // Due to Firefox bug, events fired on disabled form controls can throw
       // errors; furthermore, neither IE nor Firefox will actually dispatch
       // events from disabled form controls; as such, we toggle disable around
       // the dispatch to allow notifying properties to notify
       // See issue #47 for details
       var disabled = this.disabled;
       this.disabled = false;
-      this._origDispatchEvent.apply(this, arguments);
+      var defaultPrevented = this._origDispatchEvent(event);
       this.disabled = disabled;
+      return defaultPrevented
     },
 
     get _patternRegExp() {
       var pattern;
       if (this.allowedPattern) {
         pattern = new RegExp(this.allowedPattern);
       } else {
         switch (this.type) {
           case 'number':
             pattern = /[0-9.,e-]/;
@@ skipping 137 matching lines @@
       this.fire('iron-announce', { text: message });
     }
   });
 
   /*
   The `iron-input-validate` event is fired whenever `validate()` is called.
   @event iron-input-validate
   */
 
 </script>