Remove VisitorShim and move shim behavior into QuicConnection. No

Remove VisitorShim and move shim behavior into QuicConnection. No
functional change. Not flag protected.

This is part of a broader attempt to remove spurious cache misses,
pointer dereferences, and memory allocations.

Merge internal change: 112982328

R=rch@chromium.org

[ramant (doing other things), 2016-02-02 01:09:30]

Description was changed from

==========
Remove VisitorShim and move shim behavior into QuicConnection. No
functional change. Not flag protected.

This is part of a broader attempt to remove spurious cache misses,
pointer dereferences, and memory allocations.

Merge internal change: 112982328

R=rch@chromium.org
==========

to

==========
Remove VisitorShim and move shim behavior into QuicConnection. No
functional change. Not flag protected.

This is part of a broader attempt to remove spurious cache misses,
pointer dereferences, and memory allocations.

Merge internal change: 112982328

R=rch@chromium.org
==========

[Ryan Hamilton, 2016-02-02 04:23:20]

lgtm