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

third_party/polymer/v1_0/components/paper-toggle-button/paper-toggle-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
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 <link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../paper-styles/color.html">
+<link rel="import" href="../paper-styles/default-theme.html">
 <link rel="import" href="../paper-ripple/paper-ripple.html">
 <link rel="import" href="../paper-behaviors/paper-inky-focus-behavior.html">
 
 <!--
 `paper-toggle-button` provides a ON/OFF switch that user can toggle the state
 by tapping or by dragging the switch.
 
 Example:
 
     <paper-toggle-button></paper-toggle-button>
@@ skipping 141 matching lines @@
 
       _trackEnd: function(track) {
         this.$.toggleButton.classList.remove('dragging');
         this.transform('', this.$.toggleButton);
       }
 
     });
   </script>
 
 </dom-module>