[refactored] TossableDemo to remove thresholdElement ref

Authored by appsforartists on Thu, Nov 29, 7:02 PM.

Description

[refactored] TossableDemo to remove thresholdElement ref

Summary: It looks like I started to make the threshold draggable, and then gave up when I realized it made the system harder to reason about (because the box springs to one side of it). I removed that logic.

Reviewers: O2 Material Motion, O3 Material JavaScript platform reviewers, Material Motion

Tags: Material Motion

Differential Revision: http://codereview.cc/D3492