Add mach_ports to the list of perf tests.

perf/generate_perf.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.
 
 # Initializes all the perf directories.
 
 
 import optparse
 import os
@@ skipping 86 matching lines @@
   'dom_perf': 'Dom',
   'dromaeo_domcore': 'Dromaeo DOMCore',
   'dromaeo_jslib': 'Dromaeo JSLib',
   'frame_rate': 'Frame Rate',
   'gpu_frame_rate': 'GPU Frame Rate',
   'gpu_latency': 'GPU Latency',
   'gpu_throughput': 'GPU Throughput',
   'indexeddb': 'Page Cycler IndexedDB',
   'intl1': 'Page Cycler Intl1',
   'intl2': 'Page Cycler Intl2',
+  'mach_ports': 'Mach Port Usage',
   'memory': 'Memory',
   'media_perf': 'Media Perf',
   'morejs': 'Page Cycler Morejs',
   'moz': 'Page Cycler Moz',
   'moz-http': 'Page Cycler Moz - HTTP',
   'nacl-perf': 'NaCl Perf',
   'new-tab-ui-cold': 'New Tab Cold',
   'new-tab-ui-warm': 'New Tab Warm',
   'pnacl-tools': 'PNaCl Toolchain',
   'resource_sizes': 'Resource Sizes',
@@ skipping 165 matching lines @@
         continue
       test_title = TestTitles[test_dir]
       perf_dir = os.path.join(system_dir, test_dir)
       os.chmod(perf_dir, 0755)
       TestInit(perf_dir, system_title, test_title, symlink_list)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())