Connection Migration: move QuicStreamFactory::MigrationSessionInner logic 
to QuicChromiumClientSession::Migrate so that we can clean up further to 
move all migration logic to session. 
 

Bug: 775593
Change-Id: Id70c45fe7d0c05ce3fb34084c336e89d48c50500
Reviewed-on: https://chromium-review.googlesource.com/723782
Commit-Queue: Zhongyi Shi <[email protected]>
Reviewed-by: Ryan Hamilton <[email protected]>
Cr-Commit-Position: refs/heads/master@{#509610}
4 files changed