[Merge] lp:~fboucault/webbrowser-app/downloads_emblem into lp:webbrowser-app/staging

[Olivier Tilloy]

Review: Needs Fixing

If I initiate a download, I get the animated blue emblem. If I then open the downloads page before the download has completed and keep it open until after the download has completed, I would expect that when closing it, the download emblem is gone, because I obviously know that the download is complete. But it’s still there (turned to green).
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https://code.launchpad.net/~fboucault/webbrowser-app/downloads_emblem/+merge/319588
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