servo/servo — pull request #3350 by glennw (2014-09-15 22:03:11+00:00)
Title: Add viewer for layout trace files.

This is a simple viewer for debugging layout issues. If we don't want this in the main repo, I can just keep it in my own github repo.

![trace_viewer](https://cloud.githubusercontent.com/assets/2350882/4279702/aac56d2c-3d23-11e4-8be9-335524e01a4d.png)