Disable 2 tests on linux

functional/PYAUTO_TESTS

 # 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 584 matching lines @@
       # crbug.com/115917
       '-flash.FlashTest.testFlashLoadsAfterKill',
       '-infobars.InfobarTest.testPluginCrashForMultiTabs',
       '-infobars.InfobarTest.testPluginCrashInfobar',
       '-flash.FlashTest.testCanLoadFlash',
       '-flash.FlashTest.testFlashIncognitoMode',
       '-flash.FlashTest.testFlashWithMultipleTabs',
       '-flash.FlashTest.testSingleFlashPluginProcess',
       '-plugins.PluginsTest.testBlockAllPlugins',
       '-plugins.PluginsTest.testBlockPluginException',
+      # crbug.com/123419
+      '-browsing_data.BrowsingDataTest.testClearCookies'
+      '-databases.DatabasesTest.testDeleteAndUpdateDatabase'
     ],
 
     'chromeos': [
       'netflix',
       # ===========================
       # Permanently-disabled tests.
       # ===========================
       # No NaCl support on ChromeOS.
       '-nacl_sdk',
 
@@ skipping 107 matching lines @@
 
   # HTML5 media performance tests.
   'AV_PERF': {
      'linux': [
        'media.media_constrained_network_perf',
        'media.media_jerky',
        'media.media_stat_perf',
      ],
   },
 }