MD History: Fix crash when opening Synced Tab links with touch

chrome/browser/resources/md_history/synced_device_card.html

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/html/icon.html">
 <link rel="import" href="chrome://history/browser_service.html">
 <link rel="import" href="chrome://history/constants.html">
 <link rel="import" href="chrome://history/searched_label.html">
@@ skipping 76 matching lines @@
           </button>
         </div>
       </div>
 
       <iron-collapse opened="{{cardOpen_}}" id="collapse">
         <div id="tab-item-list">
           <template is="dom-repeat" items="[[tabs]]" as="tab" id="tab-list">
             <div id="item-container">
               <div id="icon" class="website-icon"></div>
               <a href="[[tab.url]]" class="website-title" title="[[tab.title]]"
-                  on-tap="openTab_">
+                  on-click="openTab_">
                 <history-searched-label title="[[tab.title]]"
                     search-term="[[searchTerm]]"></history-searched-label>
               </a>
             </div>
             <div id="window-separator"
                 hidden$="[[!isWindowSeparatorIndex_(index, separatorIndexes)]]">
             </div>
           </template>
         </div>
       </iron-collapse>
     </div>
   </template>
   <script src="chrome://history/synced_device_card.js"></script>
 </dom-module>