<gaia-input> element extracted from <gaia-input-form>.

chrome/browser/resources/chromeos/login/gaia_input_form.js

 /* Copyright 2015 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 Polymer('gaia-input-form', (function() {
-  var INPUT_EMAIL_PATTERN = "^[a-zA-Z0-9.!#$%&'*+=?^_`{|}~-]+(@[^\\s@]+)?$";
-
   return {
-
-    inputValue: '',
-
     onButtonClicked: function() {
-      this.fire('buttonClick');
+      this.fire('submit');
     },
 
     onKeyDown: function(e) {
-      this.setValid(true);
-      this.setDomainVisibility();
       if (e.keyCode == 13 && !this.$.button.disabled)
-        this.$.button.fire('tap');
-    },
-
-    onKeyUp: function(e) {
-      this.setDomainVisibility();
-    },
-
-    setDomainVisibility: function() {
-      this.$.emailDomain.hidden = !(this.inputValue.indexOf('@') === -1);
-    },
-
-    ready: function() {
-      if (this.inputType == 'email') {
-        this.$.inputForm.type = 'text';
-        this.$.inputForm.pattern = INPUT_EMAIL_PATTERN;
-        this.$.inputForm.addEventListener('keyup', this.onKeyUp.bind(this));
-      } else {
-        this.$.inputForm.type = this.inputType;
-      }
-    },
-
-    onTap: function() {
-      this.setValid(true);
-    },
-
-    focus: function() {
-      this.$.inputForm.focus();
-    },
-
-    checkValidity: function() {
-      var input = this.$.inputForm;
-      var isValid = input.validity.valid;
-      this.setValid(isValid);
-      return isValid;
-    },
-
-    setValid: function(isValid) {
-      this.$.paperInputDecorator.isInvalid = !isValid;
+        this.onButtonClicked();
     }
   };
 })());