Update bower.json for Polymer elements and add PRESUBMIT.py

third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html

Index: third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html
diff --git a/third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html b/third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html
index 376177d8483d16830f0ad47361f6800df614cfdd..54decc8d9403c2840557428b92568196745802fe 100644
--- a/third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html
+++ b/third_party/polymer/v1_0/components/iron-autogrow-textarea/iron-autogrow-textarea.html
@@ -9,6 +9,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 -->
 
 <link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../iron-behaviors/iron-control-state.html">
 <link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="../iron-validatable-behavior/iron-validatable-behavior.html">
 
@@ -85,6 +86,7 @@ this element's `bind-value` instead for imperative updates.
         maxlength$="[[maxlength]]"></textarea>
     </div>
   </template>
+</dom-module>
 
 <script>
 
@@ -93,7 +95,8 @@ this element's `bind-value` instead for imperative updates.
     is: 'iron-autogrow-textarea',
 
     behaviors: [
-      Polymer.IronValidatableBehavior
+      Polymer.IronValidatableBehavior,
+      Polymer.IronControlState
     ],
 
     properties: {