[MD History] Add 2-way binding to query state.

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-pages/iron-pages.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/synced_device_manager.html">
 <link rel="import" href="chrome://history/side_bar.html">
 <link rel="import" href="chrome://history/shared_style.html">
 <link rel="stylesheet" href="chrome://resources/css/md_colors.css">
@@ skipping 34 matching lines @@
         is-grouped-mode="{{grouped_}}"
         grouped-range="{{queryState_.range}}"
         search-term="{{queryState_.searchTerm}}"
         query-start-time="[[queryResult_.info.queryStartTime]]"
         query-end-time="[[queryResult_.info.queryEndTime]]">
     </history-toolbar>
 
     <div id="main-container">
       <iron-pages id="content" attr-for-selected="id"
           selected="[[selectedPage_]]">
-        <history-list-container id="history" query-state="[[queryState_]]"
+        <history-list-container id="history" query-state="{{queryState_}}"
             query-result="[[queryResult_]]" grouped="[[grouped_]]">
         </history-list-container>
         <template is="dom-if" if="[[syncedTabsSelected_(selectedPage_)]]">
           <history-synced-device-manager id="synced-devices"
               session-list="[[queryResult_.sessionList]]"
               searched-term=[[queryState_.searchTerm]]>
           </history-synced-device-manager>
         </template>
       </iron-pages>
     </div>
 
     <history-side-bar id="side-bar" selected-page="{{selectedPage_}}">
     </history-side-bar>
   </template>
   <script src="chrome://history/app.js"></script>
 </dom-module>