[protector,win] Fix protector.ProtectorSessionStartupTest.testSessionStartupPrefMigrationFromHomepa…

chrome/test/functional/protector.py

 #!/usr/bin/env python
 # 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.
 
 import pyauto_functional  # Must be imported first
 import pyauto
 import test_utils
 
 import json
@@ skipping 155 matching lines @@
     prefs = self._LoadPreferences()
     if startup_type is None:
       del prefs['session']['restore_on_startup']
     else:
       prefs['session']['restore_on_startup'] = startup_type
 
     if startup_urls is not None:
       prefs['session']['urls_to_restore_on_startup'] = startup_urls
     if homepage is not None:
       prefs['homepage'] = homepage
+      prefs['homepage_is_newtabpage'] = False
     if delete_migrated_pref:
       del prefs['session']['restore_on_startup_migrated']
     self._WritePreferences(prefs)
 
   def _ChangePinnedTabsPrefs(self, pinned_tabs):
     """Changes the list of pinned tabs.
 
     Args:
       pinned_tabs: list(str) with a list of pinned tabs URLs.
     """
@@ skipping 580 matching lines @@
         pre_launch_hook=lambda: self._ChangeHomepage(new_homepage, False, True))
     # Not showing the change.
     self.assertFalse(self.GetProtectorState()['showing_change'])
     # New values must be active.
     self.assertEquals(new_homepage, self.GetPrefsInfo().Prefs(pyauto.kHomePage))
     self.assertEquals(True, self.GetPrefsInfo().Prefs(pyauto.kShowHomeButton))
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()