redesign and reimplement proxy config service and tracker, revise proxy ui on cros

chrome/test/pyautolib/pyauto.py

Index: chrome/test/pyautolib/pyauto.py
===================================================================
--- chrome/test/pyautolib/pyauto.py	(revision 106059)
+++ chrome/test/pyautolib/pyauto.py	(working copy)
@@ -3659,7 +3659,7 @@
       pyauto_errors.JSONInterfaceError if the automation call returns an error.
     """
     cmd_dict = { 'command': 'GetProxySettings' }
-    return self._GetResultFromJSONRequest(cmd_dict, windex=-1)
+    return self._GetResultFromJSONRequest(cmd_dict, windex=0)
 
   def SetProxySettingsOnChromeOS(self, key, value):
     """Set a proxy setting on Chrome OS.
@@ -3713,7 +3713,7 @@
         'key': key,
         'value': value,
     }
-    return self._GetResultFromJSONRequest(cmd_dict, windex=-1)
+    return self._GetResultFromJSONRequest(cmd_dict, windex=0)
 
   def ForgetWifiNetwork(self, service_path):
     """Forget a remembered network by its service path.