GitLab

Other changes:

Add test methods to drag_handle class
Modified shelf_widget GetDragHandle() to return DragHandle* instead of View*
Modified DragHandle::ShowDragHandleNudge() to fetch timeout for current pref instead of taking it as an argument.
Fixed bug where ShowDraghandleNudge did not call handleNudgeShown.

Bug: 1034168
Change-Id: Ifde73e31b1e35b630ab61b7ab43d49c9796dce20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076015
Auto-Submit: Yulun Wu <yulunwu@chromium.org>
Reviewed-by: Manu Cornet <manucornet@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745583}