Turn on pixel testing for the Mac bots....

scripts/master/factory/chromium_commands.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 
 """Set of utilities to add commands to a buildbot factory.
 
 This is based on commands.py and adds chromium-specific commands."""
 
 import os
@@ skipping 789 matching lines @@
            '--target', self._target,
            '--build-type', 'v8',
            '-o', webkit_result_dir,
            '--build-dir', self._build_dir,
            '--build-number', WithProperties("%(buildnumber)s"),
            '--builder-name', WithProperties("%(buildername)s"),]
 
     if layout_part:
       cmd.extend(['--run-part', layout_part])
 
-    if self._target_platform == 'darwin':
-      # Only run pixel tests on windows and linux until we're ready for them on
-      # mac.
-      cmd.append('--no-pixel-tests')
     if with_pageheap:
       cmd.append('--enable-pageheap')
 
     self.AddTestStep(webkit_test_command.WebKitCommand,
                      test_name='webkit_tests',
                      test_description=pageheap_description,
                      test_command=cmd)
 
     if archive_results:
       url = '%s/%s/%s' % (self._archive_url, 'layout_test_results',
@@ skipping 43 matching lines @@
 
     url = '%s/%s/%s' %  (self._archive_url, 'coverage', perf_subdir)
     text = 'view coverage'
     cmd_archive = [self._python, self._archive_coverage,
            '--target', self._target,
            '--build-dir', self._build_dir,
            '--perf-subdir', perf_subdir]
 
     self.AddArchiveStep(data_description='coverage', base_url=url,
                         link_text=text, command=cmd_archive)