Pyauto Test: adding test for Chrome OS close tabs

BUG=
TEST=this is a test

Review URL: http://codereview.chromium.org/7748032

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98444 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -262,6 +262,7 @@
     # primary chrome on ChromeOS.
     'chromeos': [
       'chromeos_basic',
+      'chromeos_browser',
       'chromeos_firmware_version_checker',
       'chromeos_power',
       'chromeos_prefs',

chrome/test/functional/chromeos_browser.py

+#!/usr/bin/python
+# Copyright (c) 2011 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 pyauto_functional # pyauto_functional must come before pyauto.
+import pyauto
+
+
+class ChromeosBrowserTest(pyauto.PyUITest):
+
+  def testCloseAllTabs(self):
+    """Close all tabs and verify 1 tab is still open on Chrome OS."""
+    tab_count = self.GetTabCount()
+
+    for tab_index in xrange(tab_count - 1, -1, -1):
+      self.GetBrowserWindow(0).GetTab(tab_index).Close(True)
+
+    info = self.GetBrowserInfo()
+    self.assertEqual(1, len(info['windows']))
+    self.assertEqual(1, len(info['windows'][0]['tabs']))
+    url = info['windows'][0]['tabs'][0]['url']
+    self.assertEqual('chrome://newtab/', url,
+                     msg='Unexpected URL: %s' % url)
+
+
+if __name__ == '__main__':
+  pyauto_functional.Main()