Revert 72421 (broke tests) - Enable TCP Keep-Alive packets for Windows.
Revert 72421 (broke tests) - Enable TCP Keep-Alive packets for Windows.

45s until first TCP Keep-Alive and 45s in between keep alives.

BUG=27400
TEST=Run Wireshark, make sure TCP Keep-Alive packets are sent.

Review URL: http://codereview.chromium.org/6300013

TBR=willchan@chromium.org
Review URL: http://codereview.chromium.org/6371010

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@72426 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser