[Merge] lp:~osomon/webbrowser-app/keyboard-nav-narrow into lp:webbrowser-app

[Olivier Tilloy]

Superseded by https://code.launchpad.net/~osomon/webbrowser-app/keyboard-nav-narrow/+merge/285098.
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https://code.launchpad.net/~osomon/webbrowser-app/keyboard-nav-narrow/+merge/284950
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~osomon/webbrowser-app/keyboard-nav-narrow into lp:webbrowser-app.