MD History: Implement search functionality.

chrome/browser/resources/md_history/history_card.html

Index: chrome/browser/resources/md_history/history_card.html
diff --git a/chrome/browser/resources/md_history/history_card.html b/chrome/browser/resources/md_history/history_card.html
index 7c0c8a0b4c2c2b245eede5d31ad09175484e7f15..1cb1b4260523d1180f63b75d66d7f11dff8c92f0 100644
--- a/chrome/browser/resources/md_history/history_card.html
+++ b/chrome/browser/resources/md_history/history_card.html
@@ -12,6 +12,10 @@
         padding: 0 24px 20px;
       }
 
+      :host([hidden]) {
+        display: none !important;
+      }
+
       #main-container {
         @apply(--shadow-elevation-2dp);
         background: #fff;
@@ -46,19 +50,23 @@
     </style>
 
     <div id="main-container">
-      <div id="date-accessed">[[historyDate]]</div>
+      <div id="date-accessed">
+        {{cardTitle_(historyItems.length, searchTerm, historyTitle)}}
+      </div>
       <div id="history-item-list">
         <template is="dom-repeat" items="{{historyItems}}"
             as="historyItem">
-          <history-item time-accessed_="[[historyItem.dateTimeOfDay]]"
+          <history-item time-accessed_="[[historyItem.visibleTimestamp]]"
               website-title_="[[historyItem.title]]"
               website-domain_="[[historyItem.domain]]"
               website-url_="[[historyItem.url]]"
               starred="[[historyItem.starred]]"
               selected="{{historyItem.selected}}"
-              timestamp_="[[historyItem.time]]">
+              timestamp_="[[historyItem.time]]"
+              search-term="[[searchTerm]]">
           </history-item>
-          <template is="dom-if" if="[[needsTimeGap_(index, historyItem)]]">
+          <template is="dom-if"
+              if="[[needsTimeGap_(index, historyItem, searchTerm)]]">
             <div id="time-gap-separator"></div>
           </template>
         </template>