Ignore chown.

R=csharp@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/15867006

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/swarm_client@202560 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/trace_inputs.py b/trace_inputs.py
index b1b1323..668fcf6 100755
--- a/trace_inputs.py
+++ b/trace_inputs.py
@@ -1382,6 +1382,9 @@
         self.cwd = self.RelativePath(self, args[0])
         logging.debug('handle_chdir(%d, %s)' % (self.pid, self.cwd))
 
+      def handle_chown(self, _args, result):
+        pass
+
       def handle_clone(self, _args, result):
         self._handling_forking('clone', result)