MD Downloads: reduce the size of the ellided, displayed download URL

chrome/browser/resources/md_downloads/item.html

 <link rel="import" href="chrome://resources/html/action_link.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-progress/paper-progress.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/shadow.html">
 <link rel="import" href="chrome://downloads/action_service.html">
 <link rel="import" href="chrome://downloads/constants.html">
@@ skipping 240 matching lines @@
           Can't have any line breaks.
           --><a is="action-link" id="file-link" href="[[data.url]]"
               on-tap="onFileLinkTap_"
               hidden="[[!completelyOnDisk_]]">[[data.file_name]]</a><!--
           Before #name.
           --><span id="name"
               hidden="[[completelyOnDisk_]]">[[data.file_name]]</span>
           <span id="tag">[[computeTag_(data.state, data.last_reason_text, data.file_externally_removed)]]</span>
         </div>
 
-        <a id="url" target="_blank">[[data.url]]</a>
+        <a id="url" target="_blank">[[chopUrl_(data.url)]]</a>
 
         <div id="description">[[computeDescription_(data.state, data.danger_type, data.file_name, data.progress_status_text)]]</div>
 
         <template is="dom-if" if="[[showProgress_]]">
           <paper-progress id="progress"
               indeterminate="[[isIndeterminate_(data.percent)]]"
               value="[[data.percent]]"></paper-progress>
         </template>
 
         <div id="safe" class="controls" hidden="[[isDangerous_]]">
@@ skipping 46 matching lines @@
       </div>
 
       <div id="incognito" title="$i18n{inIncognito}" hidden="[[!data.otr]]">
       </div>
     </div>
 
   </template>
   <link rel="import" type="css" href="chrome://resources/css/action_link.css">
   <script src="chrome://downloads/item.js"></script>
 </dom-module>