Remove SWIGged use of BrowserProxy and TabProxy from PyAuto tests.

chrome/test/functional/browser.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 import os
 import re
 import types
 
@@ skipping 170 matching lines @@
         self.FindInPage('popup', tab_index=0, windex=1)['match_count'])
     # Check if they are sharing a process id.
     self.assertEquals(
         self.GetBrowserInfo()['windows'][0]['tabs'][0]['renderer_pid'],
         self.GetBrowserInfo()['windows'][1]['tabs'][0]['renderer_pid'])
     shared_pid = self.GetBrowserInfo()['windows'][0]['tabs'][0]['renderer_pid']
     # This method would fail if the renderers are not killed.
     self.KillRendererProcess(shared_pid)
 
     # Reload the parent and popup windows.
-    self.GetBrowserWindow(0).GetTab(0).Reload()
-    self.GetBrowserWindow(1).GetTab(0).Reload()
+    self.ReloadTab()
+    self.ReloadTab(windex=1)
     # Check if both are sharing a process id.
     self.assertEquals(
         self.GetBrowserInfo()['windows'][0]['tabs'][0]['renderer_pid'],
         self.GetBrowserInfo()['windows'][1]['tabs'][0]['renderer_pid'])
     # The shared process id should be different from the previous one.
     self.assertNotEqual(shared_pid,
         self.GetBrowserInfo()['windows'][0]['tabs'][0]['renderer_pid'])
 
 if __name__ == '__main__':
   pyauto_functional.Main()