mozilla/servo — pull request #2210 by saneyuki (2014-04-23 05:20:41+00:00)
Title: Add APIs to abstract Page.query_layout()

- see #356
- To decrease the conversion code, `JS` -> `Node`, I added API methods to `NodeHelpers`.
- I added APIs to `Page` not `Document` because I had thought that their APIs returns the hitted nodes address in the "page".