MD History: Implement search functionality.

chrome/browser/resources/md_history/history_list.html

 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-list/iron-list.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-item/paper-item.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-menu.html">
 <link rel="import" href="chrome://resources/html/cr/ui/position_util.html">
 <link rel="import" href="chrome://history/history_item.html">
 
 <dom-module id="history-list">
   <template>
     <style>
       :host {
         display: flex;
         flex-direction: column;
       }
 
+      [hidden] {
+        display: none !important;
+      }
+
       #overflow-menu {
         @apply(--shadow-elevation-2dp);
         border-radius: 2px;
         display: none;
         left: 0;
         position: absolute;
         top: 0;
       }
 
       :host([menu-open]) #overflow-menu {
         display: block;
       }
 
       #infinite-list {
         flex: 1;
         padding: 20px 0 0 0;
       }
 
       paper-item {
         -webkit-user-select: none;
         cursor: pointer;
         font: inherit;
       }
 
       paper-item:hover {
         background: #eaeaea;
       }
+
+      #no-results {
+        flex: 1;
+        align-items: center;
+        color: #b4b4b4;
+        display: flex;
+        font-size: 14px;
+        font-weight: 500;
+        justify-content: center;
+      }
     </style>
+    <div id="no-results"
+        hidden$="{{!noResultsAvailable_(historyData.length, loading_)}}">
+      {{noResultsMessage_(searchTerm)}}
+    </div>
     <iron-list items="{{historyData}}" as="historyDay" id="infinite-list"
-        on-scroll="scrollHandler_">
+        on-scroll="scrollHandler_"
+        hidden$="{{noResultsAvailable_(historyData.length, loading_)}}">
       <template>
         <history-item history-date="[[historyDay.dateRelativeDay]]"
             website-title="[[historyDay.title]]"
             website-url="[[historyDay.url]]"
             website-domain="[[historyDay.domain]]"
-            time-accessed="[[historyDay.dateTimeOfDay]]"
+            visible-timestamp="[[historyDay.visibleTimestamp]]"
             starred="[[historyDay.starred]]"
             timestamp="[[historyDay.time]]"
             selected="{{historyDay.selected}}"
             is-card-start="[[historyDay.isFirstItem]]"
             is-card-end="[[historyDay.isLastItem]]"
-            has-time-gap="[[historyDay.needsTimeGap]]">
+            has-time-gap="[[historyDay.needsTimeGap]]"
+            search-term="[[searchTerm]]"
+            number-of-items="[[historyData.length]]">
         </history-item>
       </template>
     </iron-list>
     <paper-menu id="overflow-menu">
       <paper-item i18n-content="moreFromSite" on-tap="onMoreFromSiteTap_">
       </paper-item>
       <paper-item i18n-content="removeFromHistory"
           on-tap="onRemoveFromHistoryTap_">
       </paper-item>
     </paper-menu>
   </template>
   <script src="chrome://history/history_list.js"></script>
 </dom-module>