MD History: Select items when tapping anywhere inside the item

chrome/browser/resources/md_history/history_item.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @param {!Element} root
  * @param {?Element} boundary
  * @param {cr.ui.FocusRow.Delegate} delegate
  * @constructor
  * @extends {cr.ui.FocusRow}
@@ skipping 150 matching lines @@
 
     /**
      * @private
      */
     onDomChange_: function() {
       if (this.row_)
         this.row_.addItems();
     },
 
     /**
-     * When a history-item is selected the toolbar is notified and increases
-     * or decreases its count of selected items accordingly.
+     * Toggle item selection whenever the checkbox or any non-interactive part
+     * of the item is clicked.
      * @param {MouseEvent} e
      * @private
      */
-    onCheckboxSelected_: function(e) {
-      // TODO(calamity): Fire this event whenever |selected| changes.
+    onItemClick_: function(e) {
+      for (var i = 0; i < e.path.length; i++) {
+        var elem = e.path[i];
+        if (elem.id != 'checkbox' &&
+            (elem.nodeName == 'A' || elem.nodeName == 'BUTTON')) {
+          return;
+        }
+      }
+
+      if (this.selectionNotAllowed_())
+        return;
+
       this.fire('history-checkbox-select', {
         element: this,
         shiftKey: e.shiftKey,
       });
-      e.preventDefault();
     },
 
     /**
      * @param {MouseEvent} e
      * @private
      */
-    onCheckboxMousedown_: function(e) {
+    onItemMousedown_: function(e) {
       // Prevent shift clicking a checkbox from selecting text.
       if (e.shiftKey)
         e.preventDefault();
     },
 
     /**
      * @private
      * @return {string}
      */
     getEntrySummary_: function() {
@@ skipping 137 matching lines @@
    * @return {string} The title for a page of search results.
    */
   HistoryItem.searchResultsTitle = function(numberOfResults, searchTerm) {
     var resultId = numberOfResults == 1 ? 'searchResult' : 'searchResults';
     return loadTimeData.getStringF('foundSearchResults', numberOfResults,
         loadTimeData.getString(resultId), searchTerm);
   };
 
   return { HistoryItem: HistoryItem };
 });