[chromedriver] Add Network Conditions Override Manager and tests

chrome/test/chromedriver/client/command_executor.py

 # Copyright 2013 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 httplib
 import json
 
 
 class _Method(object):
   GET = 'GET'
@@ skipping 77 matching lines @@
   GET_ELEMENT_VALUE_OF_CSS_PROPERTY = (
       _Method.GET, '/session/:sessionId/element/:id/css/:propertyName')
   IMPLICITLY_WAIT = (
       _Method.POST, '/session/:sessionId/timeouts/implicit_wait')
   SET_SCRIPT_TIMEOUT = (
       _Method.POST, '/session/:sessionId/timeouts/async_script')
   SET_TIMEOUT = (_Method.POST, '/session/:sessionId/timeouts')
   EXECUTE_SQL = (_Method.POST, '/session/:sessionId/execute_sql')
   GET_LOCATION = (_Method.GET, '/session/:sessionId/location')
   SET_LOCATION = (_Method.POST, '/session/:sessionId/location')
+  GET_NETWORK_CONDITIONS = (
+      _Method.GET, '/session/:sessionId/network_conditions')
+  SET_NETWORK_CONDITIONS = (
+      _Method.POST, '/session/:sessionId/network_conditions')
   GET_STATUS = (_Method.GET, '/session/:sessionId/application_cache/status')
   IS_BROWSER_ONLINE = (_Method.GET, '/session/:sessionId/browser_connection')
   SET_BROWSER_ONLINE = (_Method.POST, '/session/:sessionId/browser_connection')
   GET_LOCAL_STORAGE_ITEM = (
       _Method.GET, '/session/:sessionId/local_storage/key/:key')
   REMOVE_LOCAL_STORAGE_ITEM = (
       _Method.DELETE, '/session/:sessionId/local_storage/key/:key')
   GET_LOCAL_STORAGE_KEYS = (_Method.GET, '/session/:sessionId/local_storage')
   SET_LOCAL_STORAGE_ITEM = (_Method.POST, '/session/:sessionId/local_storage')
   CLEAR_LOCAL_STORAGE = (_Method.DELETE, '/session/:sessionId/local_storage')
@@ skipping 60 matching lines @@
     self._http_client.request(command[0], '/'.join(substituted_parts), body)
     response = self._http_client.getresponse()
 
     if response.status == 303:
       self._http_client.request(_Method.GET, response.getheader('location'))
       response = self._http_client.getresponse()
     if response.status != 200:
       raise RuntimeError('Server returned error: ' + response.reason)
 
     return json.loads(response.read())