[Merge] lp:~osomon/webbrowser-app/hide-beh-mobile-wide into lp:webbrowser-app

[Riccardo Padovani]

Review: Approve code

Code lgtm. I don't have a tablet so I didn't test it.
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https://code.launchpad.net/~osomon/webbrowser-app/hide-beh-mobile-wide/+merge/269217
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~osomon/webbrowser-app/hide-beh-mobile-wide into lp:webbrowser-app.