[Perf] Guard against impending output_profile_path option move.

tools/perf/profile_creators/extension_profile_extender_unittest.py

 # Copyright 2016 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 os
 import shutil
 import tempfile
 
 from profile_creators import extension_profile_extender
 from telemetry import decorators
 from telemetry.testing import options_for_unittests
 from telemetry.testing import page_test_test_case
 
 
 class ExtensionProfileExtenderUnitTest(page_test_test_case.PageTestTestCase):
   """Smoke test for creating an extension profile.
 
      Creates an extension profile and verifies that it has non-empty contents.
   """
   # Should be enabled on mac, disabled because flaky: https://crbug.com/586362.
   @decorators.Disabled('all')  # Extension generation only works on Mac for now.
   def testExtensionProfileCreation(self):
     tmp_dir = tempfile.mkdtemp()
     files_in_crx_dir = 0
     try:
       options = options_for_unittests.GetCopy()
-      options.output_profile_path = tmp_dir
+      # TODO(eakuefner): Remove this after crrev.com/1874473006 rolls in.
+      try:
+        getattr(options, 'output_profile_path')
+        options.output_profile_path = tmp_dir
+      except AttributeError:
+        options.browser_options.output_profile_path = tmp_dir
       extender = extension_profile_extender.ExtensionProfileExtender(options)
       extender.Run()
 
       crx_dir = os.path.join(tmp_dir, 'external_extensions_crx')
       files_in_crx_dir = len(os.listdir(crx_dir))
     finally:
       shutil.rmtree(tmp_dir)
     self.assertGreater(files_in_crx_dir, 0)