Like the title says.

Steps to reproduce:

• Open reddit.com
• scroll down a bit
• Press "home"
• Press "end"

Expectation:
You are now at the bottom of the page.

Actual:
You are still where you manually scrolled to.

OS:
Arch Linux, 64 bit.

Servo version: Latest nightly build as of 08/27/2016 @ 12:41pm (UTC)