Fixed race condition in media_stream_infobar.py.

chrome/test/functional/webrtc_test_base.py

Index: chrome/test/functional/webrtc_test_base.py
diff --git a/chrome/test/functional/webrtc_test_base.py b/chrome/test/functional/webrtc_test_base.py
new file mode 100644
index 0000000000000000000000000000000000000000..2dc4b492d0b3f9035cd9ec236415f6e78ff39ed6
--- /dev/null
+++ b/chrome/test/functional/webrtc_test_base.py
@@ -0,0 +1,19 @@
+#!/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 pyauto
+

[Nirnimesh, 2012/07/31 20:10:09]

need another blank line here

[phoglund_chromium, 2012/08/01 07:08:39]

Done.

+class WebrtcTestBase(pyauto.PyUITest):
+  """This base class provides helpers for getUserMedia calls."""
+
+  def _WaitForGetUserMediaResult(self, tab_index):

[Nirnimesh, 2012/07/31 20:10:09]

Public methods should not have _ prefix

[phoglund_chromium, 2012/08/01 07:08:39]

Done.

+    def HasResult():
+      return self._GetUserMediaResult(tab_index) != 'not-called-yet'
+    self.assertTrue(self.WaitUntil(HasResult),
+                    msg='Timed out while waiting for getUserMedia callback.')
+
+  def _GetUserMediaResult(self, tab_index):
+    return self.ExecuteJavascript(
+        'obtainGetUserMediaResult()', tab_index=tab_index)