GitLab

Moving logic out of shelf_layout_manager and into a separate controller class.

Tests for this behavior are in shelf_drag_handle_unittest.cc: will be refactored into
in_app_to_home_nudge_controller_unittest.cc in a follow up CL.

Bug: 1062690
Change-Id: Icb44ddcec0a89be131132723d4db0735a4e50825
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2152953Reviewed-by: Yulun Wu <yulunwu@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760131}