GitLab

DragDropObserver will be used by DataDevice instances to
observe drag drop events.

Bug: b:31988797
Test: None
Change-Id: I67d15f81a59730f0d78da3d56f120a16d84a43b3
Reviewed-on: https://chromium-review.googlesource.com/578748
Commit-Queue: Daichi Hirono <hirono@chromium.org>
Reviewed-by: David Reveman <reveman@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491947}