[chromedriver] Implement command: executeAsyncScript and setScriptTimeout

chrome/test/chromedriver/chromedriver.py

Index: chrome/test/chromedriver/chromedriver.py
diff --git a/chrome/test/chromedriver/chromedriver.py b/chrome/test/chromedriver/chromedriver.py
index 8e4bb470ef917f950bb55837f27914d12ca99586..796f71c1e5fd94ed2ba37e6b1118e0ff16d7b5a6 100644
--- a/chrome/test/chromedriver/chromedriver.py
+++ b/chrome/test/chromedriver/chromedriver.py
@@ -17,8 +17,12 @@ class StaleElementReference(ChromeDriverException):
   pass
 class UnknownError(ChromeDriverException):
   pass
+class JavaScriptError(ChromeDriverException):
+  pass
 class XPathLookupError(ChromeDriverException):
   pass
+class Timeout(ChromeDriverException):
+  pass
 class NoSuchWindow(ChromeDriverException):
   pass
 class InvalidSelector(ChromeDriverException):
@@ -34,7 +38,9 @@ def _ExceptionForResponse(response):
     9: UnknownCommand,
     10: StaleElementReference,
     13: UnknownError,
+    17: JavaScriptError,
     19: XPathLookupError,
+    21: Timeout,
     23: NoSuchWindow,
     32: InvalidSelector,
     33: SessionNotCreatedException,
@@ -152,6 +158,11 @@ class ChromeDriver(object):
     return self.ExecuteSessionCommand(
         'executeScript', {'script': script, 'args': converted_args})
 
+  def ExecuteAsyncScript(self, script, *args):
+    converted_args = list(args)
+    return self.ExecuteSessionCommand(
+        'executeAsyncScript', {'script': script, 'args': converted_args})
+
   def SwitchToFrame(self, id_or_name):
     self.ExecuteSessionCommand('switchToFrame', {'id': id_or_name})