Steps to reproduce:
1. Launch Browser.
2. Open another app (like a dos prompt) and put it in front of (overlapping)
the browser, just right of the reload button.
3. Hover the mouse over the reload button.
Observe: Reload Tooltip shows up thru other app.
Expected: Wshould hide tooltips when we are not the frontmost app.
Steps to reproduce:
1. Launch Browser.
2. Open another app (like a dos prompt) and put it in front of (overlapping)
the browser, just right of the reload button.
3. Hover the mouse over the reload button.
Observe: Reload Tooltip shows up thru other app.
Expected: Wshould hide tooltips when we are not the frontmost app.