Revert 182991

tools/telemetry/telemetry/core/chrome/form_based_credentials_backend.py

Index: tools/telemetry/telemetry/core/chrome/form_based_credentials_backend.py
===================================================================
--- tools/telemetry/telemetry/core/chrome/form_based_credentials_backend.py	(revision 182999)
+++ tools/telemetry/telemetry/core/chrome/form_based_credentials_backend.py	(working copy)
@@ -1,110 +0,0 @@
-# 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 logging
-
-from telemetry.core import util
-
-
-def _WaitForLoginFormToLoad(backend, login_form_id, tab):
-  def IsFormLoadedOrAlreadyLoggedIn():
-    return tab.EvaluateJavaScript(
-        'document.querySelector("#%s")!== null' % login_form_id) or \
-            backend.IsAlreadyLoggedIn(tab)
-
-  # Wait until the form is submitted and the page completes loading.
-  util.WaitFor(lambda: IsFormLoadedOrAlreadyLoggedIn(), # pylint: disable=W0108
-               60)
-
-def _SubmitFormAndWait(form_id, tab):
-  js = 'document.getElementById("%s").submit();' % form_id
-  tab.ExecuteJavaScript(js)
-
-  def IsLoginStillHappening():
-    return tab.EvaluateJavaScript(
-        'document.querySelector("#%s")!== null' % form_id)
-
-  # Wait until the form is submitted and the page completes loading.
-  util.WaitFor(lambda: not IsLoginStillHappening(), 60)
-
-class FormBasedCredentialsBackend(object):
-  def __init__(self):
-    self._logged_in = False
-
-  def IsAlreadyLoggedIn(self, tab):
-    raise NotImplementedError()
-
-  @property
-  def credentials_type(self):
-    raise NotImplementedError()
-
-  @property
-  def url(self):
-    raise NotImplementedError()
-
-  @property
-  def login_form_id(self):
-    raise NotImplementedError()
-
-  @property
-  def login_input_id(self):
-    raise NotImplementedError()
-
-  @property
-  def password_input_id(self):
-    raise NotImplementedError()
-
-  def IsLoggedIn(self):
-    return self._logged_in
-
-  def _ResetLoggedInState(self):
-    """Makes the backend think we're not logged in even though we are.
-    Should only be used in unit tests to simulate --dont-override-profile.
-    """
-    self._logged_in = False
-
-  def LoginNeeded(self, tab, config):
-    """Logs in to a test account.
-
-    Raises:
-      RuntimeError: if could not get credential information.
-    """
-    if self._logged_in:
-      return True
-
-    if 'username' not in config or 'password' not in config:
-      message = ('Credentials for "%s" must include username and password.' %
-                 self.credentials_type)
-      raise RuntimeError(message)
-
-    logging.debug('Logging into %s account...' % self.credentials_type)
-
-    try:
-      logging.info('Loading %s...', self.url)
-      tab.Navigate(self.url)
-      _WaitForLoginFormToLoad(self, self.login_form_id, tab)
-
-      if self.IsAlreadyLoggedIn(tab):
-        self._logged_in = True
-        return True
-
-      tab.WaitForDocumentReadyStateToBeInteractiveOrBetter()
-      logging.info('Loaded page: %s', self.url)
-
-      email_id = 'document.querySelector("#%s").%s.value = "%s"; ' % (
-          self.login_form_id, self.login_input_id, config['username'])
-      password = 'document.querySelector("#%s").%s.value = "%s"; ' % (
-          self.login_form_id, self.password_input_id, config['password'])
-      tab.ExecuteJavaScript(email_id)
-      tab.ExecuteJavaScript(password)
-
-      _SubmitFormAndWait(self.login_form_id, tab)
-
-      self._logged_in = True
-      return True
-    except util.TimeoutException:
-      logging.warning('Timed out while loading: %s', self.url)
-      return False
-
-  def LoginNoLongerNeeded(self, tab): # pylint: disable=W0613
-    assert self._logged_in