servo/servo — pull request #3570 by Ms2ger (2014-10-04 11:17:06+00:00)
Title: Stop reference-counting the ScriptTask.

The ScriptTask is owned by the proc in ScriptTaskFactory::create.

We started using a managed box for what would eventually become ScriptTask in
d21d27e08633b6a7f2b774a28c65c81d1eedbeaf.