[chromedriver] Add Network Presets to Network Throttling feature

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 3700a73a06339f2d42f8505c0cd9cc5ea85bc455..0b5a6248093827a60309e5f2bca854bb1f7420fc 100644
--- a/chrome/test/chromedriver/client/chromedriver.py
+++ b/chrome/test/chromedriver/client/chromedriver.py
@@ -372,6 +372,10 @@ class ChromeDriver(object):
     }
     self.ExecuteCommand(Command.SET_NETWORK_CONDITIONS, params)
 
+  def SetNetworkConditionsName(self, network_name):
+    self.ExecuteCommand(
+        Command.SET_NETWORK_CONDITIONS, {'network_name': network_name})
+
   def GetNetworkConditions(self):
     conditions = self.ExecuteCommand(Command.GET_NETWORK_CONDITIONS)
     return {