Disable many tests with flaky accessibility audits.

chrome/browser/ui/webui/options/edit_dictionary_browsertest.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.
 
 GEN_INCLUDE(['options_browsertest_base.js']);
 
 /**
  * TestFixture for EditDictionaryOverlay WebUI testing.
  * @extends {testing.Test}
  * @constructor
@@ skipping 42 matching lines @@
 
     // Enable when failure is resolved.
     // AX_ARIA_10: http://crbug.com/570559
     this.accessibilityAuditConfig.ignoreSelectors(
         'unsupportedAriaAttribute',
         unsupportedAriaAttributeSelectors);
   },
 };
 
 // Verify that users can add and remove words in the dictionary.
+// TODO(crbug.com/657514) Flakes on linux and chromeos too.
+GEN('#if defined(OS_LINUX) || defined(OS_CHROMEOS)');
+GEN('#define MAYBE_testAddRemoveWords ' +
+    'DISABLED_testAddRemoveWords');
+GEN('#else');
+GEN('#define MAYBE_testAddRemoveWords testAddRemoveWords');
+GEN('#endif');
 TEST_F('EditDictionaryWebUITest', 'testAddRemoveWords', function() {
   var testWord = 'foo';
   $('language-dictionary-overlay-word-list').querySelector('input').value =
       testWord;
 
   this.mockHandler.expects(once()).addDictionaryWord([testWord]).
       will(callFunction(function() {
           EditDictionaryOverlay.setWordList([testWord]);
       }));
   var addWordItem = EditDictionaryOverlay.getWordListForTesting().items[0];
@@ skipping 34 matching lines @@
   searchField.dispatchEvent(new KeyboardEvent('keydown', {
     'bubbles': true,
     'cancelable': true,
     'key': 'Enter'
   }));
   assertTrue(editDictionaryPage.visible);
 });
 
 // Verify that dictionary shows newly added words that arrived in a
 // notification, but ignores duplicate add notifications.
-TEST_F('EditDictionaryWebUITest', 'testAddNotification', function() {
+// TODO(crbug.com/657514) Flakes on linux and chromeos.
+GEN('#if defined(OS_LINUX) || defined(OS_CHROMEOS)');
+GEN('#define MAYBE_testAddNotification ' +
+    'DISABLED_testAddNotification');
+GEN('#else');
+GEN('#define MAYBE_testAddNotification testAddNotification');
+GEN('#endif');
+TEST_F('EditDictionaryWebUITest', 'MAYBE_testAddNotification', function() {
   // Begin with an empty dictionary.
   EditDictionaryOverlay.setWordList([]);
   expectEquals(1, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // User adds word 'foo'.
   EditDictionaryOverlay.getWordListForTesting().addDictionaryWord_('foo');
   expectEquals(2, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // Backend notifies UI that the word 'foo' has been added. UI ignores this
   // notification, because the word is displayed immediately after user added
   // it.
   EditDictionaryOverlay.updateWords(['foo'], []);
   expectEquals(2, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // Backend notifies UI that the words 'bar' and 'baz' were added. UI shows
   // these new words.
   EditDictionaryOverlay.updateWords(['bar', 'baz'], []);
   expectEquals(4, EditDictionaryOverlay.getWordListForTesting().items.length);
 });
 
 // Verify that dictionary hides newly removed words that arrived in a
 // notification, but ignores duplicate remove notifications.
 // TODO(crbug.com/631940): Flaky on Win 7.
-GEN('#if defined(OS_WIN)');
+// TODO(crbug.com/657514) Flakes on linux and chromeos too.
+GEN('#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)');
 GEN('#define MAYBE_testRemoveNotification DISABLED_testRemoveNotification');
 GEN('#else');
 GEN('#define MAYBE_testRemoveNotification testRemoveNotification');
 GEN('#endif  // defined(OS_WIN)');
 TEST_F('EditDictionaryWebUITest', 'MAYBE_testRemoveNotification', function() {
   // Begin with a dictionary with words 'foo', 'bar', 'baz', and 'baz'. The
   // second instance of 'baz' appears because the user added the word twice.
   // The backend keeps only one copy of the word.
   EditDictionaryOverlay.setWordList(['foo', 'bar', 'baz', 'baz']);
   expectEquals(5, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // User deletes the second instance of 'baz'.
   EditDictionaryOverlay.getWordListForTesting().deleteItemAtIndex(3);
   expectEquals(4, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // Backend notifies UI that the word 'baz' has been removed. UI ignores this
   // notification.
   EditDictionaryOverlay.updateWords([], ['baz']);
   expectEquals(4, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // Backend notifies UI that words 'foo' and 'bar' have been removed. UI
   // removes these words.
   EditDictionaryOverlay.updateWords([], ['foo', 'bar']);
   expectEquals(2, EditDictionaryOverlay.getWordListForTesting().items.length);
 });