Low framerate in Firefox nighly with stats UI active

[schaer]

If the stats UI element is active, the Framerate in Firefox Nighly drops below 10 fps, while Chrome maintains arround 47 fps.

Here is a side by side comparison:

In addition, if the "w" key is pressed in Firefox Nighly, the camera starts to "jump":

I had this behaviour in my project, but this is also repoducable with the aframe hello-world demo.

Chrome: Version 55.0.2883.87 m (64-bit) Firefox Nighly: Version 53.0a1 (2017-01-22) (32-bit)

• A-Frame Version: 0.4.0
• Platform / Device: Windows 10, Lenovo T560
• Reproducible Code Snippet or URL: https://aframe.io/aframe/examples/boilerplate/hello-world/

[ngokevin]

Works for me. Might've been a Nightly regression.