Add TRACE_EVENT calls from tcp_client_socket_win.cc into tcp_client_socket_libevent.cc.
Add TRACE_EVENT calls from tcp_client_socket_win.cc into tcp_client_socket_libevent.cc.

This was broken out from a larger cl 16027, 
it's the part you LGTM'd on Dec 23rd.
(Should I have just checked this in without a separate review?)
Review URL: http://codereview.chromium.org/16467

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@7507 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