tree 927283877b8ed3eb32762f6e3e997a2255add323
parent 954157a22898f648ea8f8fb3aa09173465b9f614
author Mehdi Alizadeh <mett@google.com> 1525227965 -0700
committer Mehdi Alizadeh <mett@google.com> 1525296009 -0700

Refactors ButtonDropTarget to add extension data

Also fixes a bug where DeleteDropTarget was logging Remove instead of
Cancel.

Bug: 78793340
Test: Enable verbose logging and manual test
Change-Id: I0f0cfff070eab003ebb745292630bc6ce3243f4d