Revert 182991

tools/telemetry/telemetry/page/compound_action.py

-# 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.
-from telemetry.page import page_action
-
-class CompoundAction(page_action.PageAction):
-  def __init__(self, attributes=None):
-    super(CompoundAction, self).__init__(attributes)
-    self._actions = []
-    from telemetry.page import all_page_actions
-    for action_data in self.actions:
-      action = all_page_actions.FindClassWithName(
-          action_data['action'])(action_data)
-      self._actions.append(action)
-
-  def CustomizeBrowserOptions(self, options):
-    for action in self._actions:
-      action.CustomizeBrowserOptions(options)
-
-  def RunsPreviousAction(self):
-    return self._actions and self._actions[0].RunsPreviousAction()
-
-  def RunAction(self, page, tab, previous_action):
-    for i, action in enumerate(self._actions):
-      prev_action = self._actions[i - 1] if i > 0 else previous_action
-      next_action = self._actions[i + 1] if i < len(self._actions) - 1 else None
-
-      if (action.RunsPreviousAction() and
-          next_action and next_action.RunsPreviousAction()):
-        raise page_action.PageActionFailed('Consecutive actions cannot both '
-                                           'have RunsPreviousAction() == True.')
-
-      if not (next_action and next_action.RunsPreviousAction()):
-        action.WillRunAction(page, tab)
-        action.RunAction(page, tab, prev_action)