Summary:
This allows you to select the displayed owner hierarchy, and see the styles,
props, and position.
@public
Test Plan:
Open the inspector, select something in the middle of the page. Click the
breadcrumb train in the inspector, and verify that:
- styles are reflected
- margin/padding/box is correct
- the highlight updates to show the selected item
See video as well.
[Video](https://www.latest.facebook.com/pxlcld/mqnl)
Screenshot
{F22518618}
Jared Forsyth