[chromedriver] Add page loading strategy to capabilities

chrome/test/chromedriver/client/chromedriver.py

Index: chrome/test/chromedriver/client/chromedriver.py
diff --git a/chrome/test/chromedriver/client/chromedriver.py b/chrome/test/chromedriver/client/chromedriver.py
index baa09ff320ebdab984195745462a974f42c85ff1..4080c2c8f9c0e70d071fca79518bed59ae94ff4e 100644
--- a/chrome/test/chromedriver/client/chromedriver.py
+++ b/chrome/test/chromedriver/client/chromedriver.py
@@ -72,7 +72,8 @@ class ChromeDriver(object):
                chrome_extensions=None, chrome_log_path=None,
                debugger_address=None, logging_prefs=None,
                mobile_emulation=None, experimental_options=None,
-               download_dir=None, network_connection=None):
+               download_dir=None, page_load_strategy=None,
+               network_connection=None):
     self._executor = command_executor.CommandExecutor(server_url)
 
     options = {}
@@ -144,6 +145,10 @@ class ChromeDriver(object):
       }
     }
 
+    if page_load_strategy:
+      assert type(page_load_strategy) is str
+      params['desiredCapabilities']['pageLoadingStrategy'] = page_load_strategy
+
     if network_connection:
       params['desiredCapabilities']['networkConnectionEnabled'] = (
           network_connection)