[oe] [meta-browser] Modern Chromium with GN

[Raphael Kubo da Costa]

Raphael Kubo da Costa <raphael.kubo.da.costa at intel.com> writes:
> Work on Chromium 62 has started, but updating is a bit slower now that
> I'm trying to test GCC 5, 7, pyro and rocko.

I've pushed a new branch called "chromium62". It's been test-built
against Yocto's pyro (with GCC 5) and rocko (with GCC 7) for x86 and
x86-64.

Additional testing is appreciated!