Comment 1 for bug 1007227

This has been discussed before. IIRC, it was decided it could be tackled in a few different steps:

1. Add the download button to the toolbar while there are active/not-cleared downloads. For the moment, this would open/close the sidebar to the downloads section. bug #954583

2. Update the design of the sidebar. This should be more or less put in line with what the new design of the popover should look like.

3. For users that have Granite, remove the tab from the sidebar and use a popover instead.

Attaching a screenshot of the downloads popover in Safari for design reference.