Revert 89600 - Treat ERR_CONNECTION_CLOSED as a succesful download.

Revert 89600 - Treat ERR_CONNECTION_CLOSED as a succesful download.

=========================
Note: This revert is only temporary, to collect statistics for how frequently
this case is encountered in the wild. This will be re-reverted shortly.
=========================

Some servers will send a Content-Length which exceeds the number of bytes sent
in the message body.

Although this violates the RFC spec, other major browsers permit it
and treat a download as complete in that case. Chrome did as well
prior to M12, and now some users are unable to access the item that
they downloaded.

Attempt #2.

BUG=85549
TEST=Go to server which advertises larger Content-Length than number of bytes
sent, confirm that the download is no longer reported as interrupted.


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=91769

[Randy Smith (Not in Mondays), 2011-07-07 21:02:52]

LGTM.

[commit-bot: I haz the power, 2011-07-07 22:14:17]

Change committed as 91769