Since we are not supporting WinXP platform anymore, there is
no need in AddressSorterWinXP wrapper for AddressSorterWin
for address sorting.

+ Modified comment in the net/socket/tcp_socket_win.h in
accordance to https://codereview.chromium.org/1626643002

BUG=580691

Review-Url: https://codereview.chromium.org/1945583002
Cr-Commit-Position: refs/heads/master@{#391461}
2 files changed