Remove more log spam.
Remove more log spam.

When the client doesn't accept the self-signed certificate from WPR, don't
generate an error message, just close the connection. When a client fails to
send any data over the connection, immediately log this fact.

BUG=
R=nednguyen@google.com

Review URL: https://codereview.appspot.com/226040043

snorp/web-page-replay,andrey-malets/web-page-replay,ting-yuan/web-page-replay,ting-yuan/web-page-replay,snorp/web-page-replay,chromium/web-page-replay,chromium/web-page-replay,andrey-malets/web-page-replay