MD History: Truncate long search terms in card title box

chrome/browser/resources/md_history/history_item.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-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-checkbox/paper-checkbox.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-styles/shadow.html">
 <link rel="import" href="chrome://resources/html/icon.html">
 <link rel="import" href="chrome://resources/html/util.html">
 <link rel="import" href="chrome://history/browser_service.html">
@@ skipping 26 matching lines @@
 
       :host([is-card-start][is-card-end]) #main-container {
         border-radius: 2px;
       }
 
       #date-accessed {
         display: none;
       }
 
       :host([is-card-start]) #date-accessed {
-        display: flex;
+        display: block;
       }
 
       #item-container {
         align-items: center;
         display: flex;
         min-height: var(--item-height);
       }
 
       :host([is-card-start]) #item-container {
         padding-top: var(--card-first-last-item-padding);
@@ skipping 146 matching lines @@
             <div></div>
             <div></div>
           </button>
         </div>
         <div id="time-gap-separator" hidden="[[!hasTimeGap]]"></div>
       </div>
     </div>
   </template>
   <script src="chrome://history/history_item.js"></script>
 </dom-module>