[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/paper-behaviors/demo/paper-radio-button.html

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 @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
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 <link rel="import" href="../../polymer/polymer.html">
 <link rel="import" href="../../paper-ripple/paper-ripple.html">
-<link rel="import" href="../paper-inky-focus-behavior.html">
+<link rel="import" href="../paper-checked-element-behavior.html">
 
 <dom-module id="paper-radio-button">
 
   <style>
   :host {
     display: inline-block;
     white-space: nowrap;
   }
 
   :host(:focus) {
@@ skipping 58 matching lines @@
     width: 48px;
     height: 48px;
   }
 
   </style>
 
   <template>
     <div id="radioContainer">
       <div id="offRadio"></div>
       <div id="onRadio"></div>
-      <paper-ripple id="ink" class="circle" center></paper-ripple>
     </div>
   </template>
 
   <script>
 
     Polymer({
 
       behaviors: [
-        Polymer.PaperInkyFocusBehavior
+        Polymer.PaperCheckedElementBehavior
       ],
 
       hostAttributes: {
         role: 'radio'
       },
 
       ready: function() {
         this.toggles = true;
+      },
+
+      _createRipple: function() {
+        this._rippleContainer = this.$.radioContainer;
+        return Polymer.PaperInkyFocusBehaviorImpl._createRipple.call(this);
       }
 
     });
 
   </script>
 
 </dom-module>