This is a reland of 5117b047875970cf61f2403b590c44c37bfa8272
Original change's description:
> > Clean up libjingle API dependencies.
> >
> > This CL moves candidate.h into the public API, since it has
> > been implicitly included before.
> >
> > This is a straightforward way of solving the circular
> > dependencies involving that file. For instance,
> > libjingle_peerconnection_api includes candidate.h from
> > jsepicecandidate.h, but _api can't depend on rtc_p2p, which
> > depends on _api. In fact, _api can't depend on much at all
> > since it's a very high level abstraction; instead, things
> > should depend on it.
> >
> > Furthermore, we have the case where deprecated headers
> > include headers in internal modules. I just have to turn
> > off include checking for those, but that's not a big deal.
> >
> > This CL punts the problem of callfactoryinterface.h being
> > implicitly included, and pulling in most of the call
> > module with it. This should be addressed in a follow-up
> > CL.
> >
> > Bug: webrtc:7504
> > Change-Id: I1b1729408158418333ccdf702bf529386090f0d7
> > Reviewed-on: https://webrtc-review.googlesource.com/2020
> > Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
> > Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org>
> > Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#20034}
Bug: webrtc:7504
Change-Id: Icae0ba1a0488550e2871cc65e66d3661707aa5b6
Reviewed-on: https://webrtc-review.googlesource.com/6460
Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20156}
9185aca9ce