Fire OnReceiveError(net::ERR_CONNECTION_CLOSED) when TCP FIN is received from peer.

Note: Tests were resilient to the previous behavior, the only change of behavior is the messages they log to the console.

BUG=309801

Review URL: https://codereview.chromium.org/33193003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230022 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230022