Summary:
if we use WeakReferences, DebugSection nodes are released very fast and highlighting doesn't work because the node is removed from the ObjectTracker.
passy do you know who else I can add as reviewer?
Reviewed By: passy
Differential Revision: D14385872
fbshipit-source-id: ecc63190a84a7186296ed9c4c82ff6ab2aca8ad2