[chromedriver] Fix 3 bugs about web view, window handle and target window.

chrome/test/chromedriver/run_py_tests.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.
 
 """End to end tests for ChromeDriver."""
 
 import base64
 import optparse
 import os
@@ skipping 136 matching lines @@
     Args:
       old_handles: Handles to all old windows before the new window is added.
 
     Returns:
       Handle to a new window. None if timeout.
     """
     timeout = time.time() + 20
     while time.time() < timeout:
       new_handles = self._driver.GetWindowHandles()
       if len(new_handles) > len(old_handles):
-        for old_handle in old_handles:
-          self.assertTrue(old_handle in new_handles)
-          new_handles.remove(old_handle)
-        self.assertTrue(len(new_handles))
-        return new_handles[0]
+        for index, old_handle in enumerate(old_handles):
+          self.assertEquals(old_handle, new_handles[index])
+        return new_handles[len(old_handles)]
       time.sleep(0.01)
     return None
 
   def testCloseWindow(self):
     self._driver.Load(self.GetHttpUrlForFile('/chromedriver/page_test.html'))
     old_handles = self._driver.GetWindowHandles()
     self._driver.FindElement('id', 'link').Click()
     new_window_handle = self._WaitForNewWindow(old_handles)
     self.assertNotEqual(None, new_window_handle)
     self._driver.SwitchToWindow(new_window_handle)
@@ skipping 385 matching lines @@
       negative_filter = _DESKTOP_NEGATIVE_FILTER[options.chrome_revision]
     options.filter = '*-' + ':__main__.'.join([''] + negative_filter)
 
   all_tests_suite = unittest.defaultTestLoader.loadTestsFromModule(
       sys.modules[__name__])
   tests = unittest_util.FilterTestSuite(all_tests_suite, options.filter)
   ChromeDriverTest.GlobalSetUp()
   result = unittest.TextTestRunner(stream=sys.stdout, verbosity=2).run(tests)
   ChromeDriverTest.GlobalTearDown()
   sys.exit(len(result.failures) + len(result.errors))