Create a common directory of widgets and css.

appengine/chromium_rietveld/new_static/components/cr-user-autocomplete.html

 <!-- Copyright (c) 2014 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. -->
 
-<link rel="import" href="cr-keyboard.html">
+<link rel="import" href="../common/cr-keyboard.html">
 
 <polymer-element name="cr-user-autocomplete" attributes="value">
     <template>
         <style>
             :host {
                 -webkit-user-select: none;
             }
 
             #completions {
                 position: absolute;
@@ skipping 147 matching lines @@
                 this.didComplete = true;
             },
             resetAutocomplete: function() {
                 this.completions = [];
                 this.termRange = {};
                 this.active = false;
             },
         });
     </script>
 </polymer-element>