servo/servo — pull request #4186 by mbrubeck (2014-12-03 00:20:07+00:00)
Title: Fix error in layout trace viewer

d1b433a3b3bab353f320b2f39fa953ce326d2d55 changed the encoding format for Flows. The root is no longer wrapped inside a `data` field, but instead includes BaseFlow fields directly. This broke the layout trace viewer, which threw an uncaught exception when the `data` property was missing. This fixes the exception, though some functionality may still be partly broken.