Fix the issue in about:net-internals that causes clicking on a column

chrome/test/data/webui/net_internals/events_view.js

 // Copyright (c) 2012 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.
 
 // Include test fixture.
 GEN_INCLUDE(['net_internals_test.js']);
 
 // Anonymous namespace
 (function() {
 
@@ skipping 195 matching lines @@
   }
 
   // Tests with unmatched quotes.  Unlike the strings above, combining them with
   // other filters is not the same as applying both filters independently.
   checkFilter('"Quoted String', [true, false]);
   checkFilter('"Quoted String source', [false, false]);
   checkFilter('Quoted" String', [true, false]);
   checkFilter('Quoted" source', [false, false]);
   checkFilter('Quoted "String', [true, false]);
 
+  // Test toggling sort method, without any filters.
+  var eventsView = EventsView.getInstance();
+  eventsView.setFilterText_('');
+  $(EventsView.SORT_BY_DESCRIPTION_ID).click();
+  expectEquals('sort:desc', eventsView.getFilterText_());
+  $(EventsView.SORT_BY_DESCRIPTION_ID).click();
+  expectEquals('-sort:desc', eventsView.getFilterText_());
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('sort:id', eventsView.getFilterText_());
+
+  // Sort by default is by ID, so toggling ID when there's no filter results in
+  // sort:-id.
+  eventsView.setFilterText_('');
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('-sort:id', eventsView.getFilterText_());
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('sort:id', eventsView.getFilterText_());
+
+  // Test toggling sort method with filters.
+  eventsView.setFilterText_('text');
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('-sort:id text', eventsView.getFilterText_());
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('sort:id text', eventsView.getFilterText_());
+  $(EventsView.SORT_BY_SOURCE_TYPE_ID).click();
+  expectEquals('sort:source text', eventsView.getFilterText_());
+  eventsView.setFilterText_('text sort:id "more text"');
+  $(EventsView.SORT_BY_ID_ID).click();
+  expectEquals('-sort:id text "more text"', eventsView.getFilterText_());
+
   testDone();
 });
 
 })();  // Anonymous namespace