[Merge] lp:~abreu-alexandre/webbrowser-app/window-open-overlay into lp:webbrowser-app

[Alexandre Abreu]

> Also, I’m thinking that this behaviour makes sense on devices, but does it on
> desktop, where it’s much more visible when a new tab opens in a browser?

I would have to check with design, but I still does make sense on desktop too.
The behavior might be adjusted a bit but it does not feel too awkward.

We dont support tabs for webapps no matter what the environment is, and when thinking
about tabs+webapps on desktop it is not obvious to me how to have it work in a clean way
for the user. Adding tabs is somewhat out of the question (at least atm) I think,
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https://code.launchpad.net/~abreu-alexandre/webbrowser-app/window-open-overlay/+merge/248000
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~abreu-alexandre/webbrowser-app/window-open-overlay into lp:webbrowser-app.