MD History: Delete Grouped History

chrome/browser/resources/md_history/app.html

Index: chrome/browser/resources/md_history/app.html
diff --git a/chrome/browser/resources/md_history/app.html b/chrome/browser/resources/md_history/app.html
index 43865e79ed4f967f74625d9a3fc57e4f8d883c27..7b386345b4fef9d173c3d0a3cf1c8900653da388 100644
--- a/chrome/browser/resources/md_history/app.html
+++ b/chrome/browser/resources/md_history/app.html
@@ -35,10 +35,6 @@
         position: relative;
       }
 
-      :host([grouped_]) #main-container {
-        height: calc(100% - var(--toolbar-grouped-height));
-      }
-
       #content-side-bar {
         float: left;
       }
@@ -74,19 +70,14 @@
     </history-query-manager>
     <history-router id="router"
         selected-page="{{selectedPage_}}"
-        grouped="[[grouped_]]"
         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-info="[[queryResult_.info]]"
         querying="[[queryState_.querying]]"
         search-term="[[queryState_.searchTerm]]"
-        show-grouped-controls="[[!syncedTabsSelected_(selectedPage_)]]"
         show-menu-promo="[[showMenuPromo_]]"
         show-sync-notice="[[showSyncNotice_(hasSyncedResults, selectedPage_)]]"
         spinner-active="[[shouldShowSpinner_(queryState_.querying,
@@ -104,8 +95,7 @@
           selected="[[getSelectedPage_(selectedPage_, items)]]"
           items="{{items}}">
         <history-list-container id="history" query-state="[[queryState_]]"
-            query-result="[[queryResult_]]" grouped="[[grouped_]]"
-            path="history">
+            query-result="[[queryResult_]]" path="history">
         </history-list-container>
         <template is="dom-if" if="[[syncedTabsSelected_(selectedPage_)]]">
           <history-synced-device-manager id="synced-devices"