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 706da7fc406471b9dac69d49eaee53b9cc589304..15307cc515c61f8ee82dfe4b502f2acb4cc5faac 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;
@@ -45,7 +49,9 @@
     </style>
 
     <div id="main-container">
-      <div id="date-accessed">[[historyDate]]</div>
+      <div id="date-accessed">
+        {{searchResultTitle_(historyItems.length, searchTerm, historyDate)}}

[tsergeant, 2016/02/04 02:28:49]

Can you rename searchResultTitle to cardTitle or something that doesn't
reference search (since it's not always a search)

[hsampson, 2016/02/08 04:40:22]

Done.

+      </div>
       <div id="history-item-list">
         <template is="dom-repeat" items="[[historyItems]]"

[tsergeant, 2016/02/04 02:28:49]

Make sure this is rebased correctly, so that bug doesn't crop up again

[hsampson, 2016/02/08 04:40:22]

Done.

             as="historyItem">
@@ -55,9 +61,10 @@
               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>