Remove unused method QuicChromiumClientSession::CloseSessionOnErrorAndNotifyFactoryLater.

BUG=

Review-Url: https://codereview.chromium.org/2830793008
Cr-Original-Commit-Position: refs/heads/master@{#466418}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8b8737dc6295c7e90103617639071c71a2d621b4
2 files changed