Fix testInfoBarDisappearByNavigatingPage

It appears that chrome://version's title takes a while to show up now. Update
test to wait for it.

R=dennisjeffrey@chromium.org
BUG=None
TEST=None

Review URL: https://chromiumcodereview.appspot.com/10835007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148589 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/passwords.py

@@ -253,7 +253,8 @@ class PasswordTest(pyauto.PyUITest):
     self.NavigateToURL('chrome://version')
     self.assertTrue(self.WaitForInfobarCount(0))
     # To make sure user is navigated to Version page.
-    self.assertEqual('About Version', self.GetActiveTabTitle())
+    self.assertTrue(self.WaitUntil(self.GetActiveTabTitle,
+        expect_retval='About Version'))
     test_utils.AssertInfobarTypeDoesNotAppear(self, self.INFOBAR_TYPE)
 
   def testInfoBarDisappearByReload(self):