tree be63e276f1c60b88ed06811497de551c52e9eb03
parent 788ea593ec27f4bb8600c88d5717a914fe79ed8b
author Dmitriy Ivanov <dimitry@google.com> 1430448559 -0700
committer Dmitriy Ivanov <dimitry@google.com> 1430448559 -0700

Refactoring: move VersionTracker to link_image

  Use one instance of VersionTracker per link (instead of 2).

Change-Id: I6860013df65f5969975c82ebdae8bd90a82e0a82