MD History: Delete Grouped History

chrome/browser/resources/md_history/app.js

Index: chrome/browser/resources/md_history/app.js
diff --git a/chrome/browser/resources/md_history/app.js b/chrome/browser/resources/md_history/app.js
index b67bf99d2671b9ac5f996c6674e9b41a0499ef1d..458b4ebc9f016c553427d5d4c38b0e74b8984e61 100644
--- a/chrome/browser/resources/md_history/app.js
+++ b/chrome/browser/resources/md_history/app.js
@@ -33,12 +33,6 @@ Polymer({
       observer: 'selectedPageChanged_',
     },
 
-    // Whether domain-grouped history is enabled.
-    grouped_: {
-      type: Boolean,
-      reflectToAttribute: true,
-    },
-
     /** @type {!QueryResult} */
     queryResult_: {
       type: Object,
@@ -106,8 +100,6 @@ Polymer({
 
   /** @override */
   attached: function() {
-    this.grouped_ = loadTimeData.getBoolean('groupByDomain');
-
     cr.ui.decorate('command', cr.ui.Command);
     this.boundOnCanExecute_ = this.onCanExecute_.bind(this);
     this.boundOnCommand_ = this.onCommand_.bind(this);
@@ -234,9 +226,6 @@ Polymer({
     e = /** @type {cr.ui.CanExecuteEvent} */ (e);
     switch (e.command.id) {
       case 'find-command':
-      case 'toggle-grouped':
-        e.canExecute = true;
-        break;
       case 'slash-command':
         e.canExecute = !this.$.toolbar.searchField.isSearchFocused();
         break;
@@ -255,8 +244,6 @@ Polymer({
       this.focusToolbarSearchField();
     if (e.command.id == 'delete-command')

[Dan Beam, 2017/02/07 18:14:13]

nit: else if or switch()

       this.deleteSelected();
-    if (e.command.id == 'toggle-grouped')
-      this.grouped_ = !this.grouped_;
   },
 
   /**
@@ -313,9 +300,7 @@ Polymer({
     return hasSyncedResults && selectedPage != 'syncedTabs';
   },
 
-  /**
-   * @private
-   */
+  /** @private */
   selectedPageChanged_: function() {
     this.unselectAll();
     this.historyViewChanged_();
@@ -377,17 +362,7 @@ Polymer({
             HistoryPageViewHistogram.SIGNIN_PROMO;
         break;
       default:
-        switch (this.queryState_.range) {
-          case HistoryRange.ALL_TIME:
-            histogramValue = HistoryPageViewHistogram.HISTORY;
-            break;
-          case HistoryRange.WEEK:
-            histogramValue = HistoryPageViewHistogram.GROUPED_WEEK;
-            break;
-          case HistoryRange.MONTH:
-            histogramValue = HistoryPageViewHistogram.GROUPED_MONTH;
-            break;
-        }
+        histogramValue = HistoryPageViewHistogram.HISTORY;
         break;
     }