Re-enable nacl_integration on Mac.

The largest sources of flake should now be fixed or supressed.

BUG= none
TEST= none

Review URL: http://codereview.chromium.org/8823014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113455 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/nacl_test_injection/buildbot_nacl_integration.py

@@ -12,11 +12,6 @@ def Main(args):
   pwd = os.environ.get('PWD', '')
   is_integration_bot = 'nacl-chrome' in pwd
 
-  if not is_integration_bot and sys.platform == 'darwin':
-    # TODO: Reenable.
-    sys.stdout.write('Skipping nacl_integration, see http://crbug.com/105406\n')
-    return
-
   # On the main Chrome waterfall, we may need to control where the tests are
   # run.
   # If there is serious skew in the PPAPI interface that causes all of