GitLab

If the shelf hides we should not immediately minimize a dragged panel. This panel can be dropped where it now is and detached.

BUG=393047
TEST=PanelWindowResizerTest.DetachThenHideShelf
TEST=Drag a panel window while switching profiles. There is no crash and the window is detached where it was when switching back.

Review URL: https://codereview.chromium.org/582803002

Cr-Commit-Position: refs/heads/master@{#295711}