[MD History] Fix toolbar dates in grouped mode.

chrome/browser/resources/md_history/app.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/cr/ui.html">
 <link rel="import" href="chrome://resources/html/cr/ui/command.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-media-query/iron-media-query.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-pages/iron-pages.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-scroll-target-behavior/iron-scroll-target-behavior.html">
 <link rel="import" href="chrome://history/history_toolbar.html">
 <link rel="import" href="chrome://history/list_container.html">
 <link rel="import" href="chrome://history/router.html">
 <link rel="import" href="chrome://history/shared_style.html">
@@ skipping 81 matching lines @@
         opacity: 1;
       }
     </style>
     <history-router selected-page="{{selectedPage_}}"
         query-state="{{queryState_}}">
     </history-router>
     <history-toolbar id="toolbar"
         grouped-offset="{{queryState_.groupedOffset}}"
         grouped-range="{{queryState_.range}}"
         has-drawer="[[hasDrawer_]]"
+        has-more-results="[[!queryResult_.info.finished]]"
         is-grouped-mode="{{grouped_}}"
-        query-end-time="[[queryResult_.info.queryEndTime]]"
-        has-more-results="[[!queryResult_.info.finished]]"
-        query-start-time="[[queryResult_.info.queryStartTime]]"
+        query-info="[[queryResult_.info]]"
         querying="[[queryState_.querying]]"
         search-term="{{queryState_.searchTerm}}"
         show-menu-promo="[[showMenuPromo_]]"
         show-sync-notice="[[showSyncNotice_(hasSyncedResults, selectedPage_)]]"
         spinner-active="[[shouldShowSpinner_(queryState_.querying,
                                              queryState_.incremental,
                                              queryState_.searchTerm)]]">
     </history-toolbar>
 
     <div id="main-container">
@@ skipping 31 matching lines @@
         </history-side-bar>
       </app-drawer>
     </template>
 
     <iron-media-query query="(max-width: 1023px)"
         query-matches="{{hasDrawer_}}">
     </iron-media-query>
   </template>
   <script src="chrome://history/app.js"></script>
 </dom-module>