Comment 26 for bug 25830

There's a comment in bug 52441 about giving the helper app dialog a "show in
browser" option. I feel that that would be the best thing to do with this as
well. I agree with timeless -- we should decide on a UI for this before
implementing anything.

I may poke around a bit at the back end to see what's feasible (I don't know
whether the external handler service can call back into the browser to display
stuff in the browser window....)

mpt? Thoughts?