Add mobile version of v8.infinite_scroll benchmark.

tools/perf/page_sets/login_helpers/mobile_facebook_login.py

Index: tools/perf/page_sets/login_helpers/mobile_facebook_login.py
diff --git a/tools/perf/page_sets/login_helpers/google_login.py b/tools/perf/page_sets/login_helpers/mobile_facebook_login.py
similarity index 52%
copy from tools/perf/page_sets/login_helpers/google_login.py
copy to tools/perf/page_sets/login_helpers/mobile_facebook_login.py
index a59b2c669a6275e4d19556bf7da215eb796fbde9..d8d20734700ed43f745cc9418acc8b5200eb54d0 100644
--- a/tools/perf/page_sets/login_helpers/google_login.py
+++ b/tools/perf/page_sets/login_helpers/mobile_facebook_login.py
@@ -4,11 +4,12 @@
 from page_sets.login_helpers import login_utils
 
 
-def LoginGoogleAccount(action_runner, credential,
-                       credentials_path=login_utils.DEFAULT_CREDENTIAL_PATH):
-  """Logs in into Google account.
+def LoginAccount(
+    action_runner, credential,
+    credentials_path=login_utils.DEFAULT_CREDENTIAL_PATH):
+  """Logs in into mobile Facebook account.
 
-  This function navigates the tab into Google's login page and logs in a user
+  This function navigates the tab into Facebook's login page and logs in a user
   using credentials in |credential| part of the |credentials_path| file.
 
   Args:
@@ -25,11 +26,10 @@ def LoginGoogleAccount(action_runner, credential,
       credential, credentials_path=credentials_path)
 
   action_runner.Navigate(
-       'https://accounts.google.com/ServiceLogin?continue='
-       'https%3A%2F%2Faccounts.google.com%2FManageAccount')
-  login_utils.InputForm(action_runner, account_name, input_id='Email',
-                        form_id='gaia_firstform')
-  action_runner.ClickElement(selector='#gaia_firstform #next')
-  login_utils.InputForm(action_runner, password, input_id='Passwd')
-  action_runner.ClickElement(selector='#signIn')
-  action_runner.WaitForElement(text='My Account')
+       'https://m.facebook.com/login?continue=https%3A%2F%2Fm.facebook.com')
+  login_utils.InputWithSelector(action_runner, account_name, '[name=email]')
+  login_utils.InputWithSelector(action_runner, password, '[name=pass]')
+  action_runner.ClickElement(selector='[name=login]')
+  action_runner.WaitForElement(text='OK')
+  action_runner.ClickElement(text='OK')
+  action_runner.WaitForNavigate()