# STEPS TO REPRODUCE:
1. inspect any page
2. go to the Sources Tab
3. click on the + to create a breakpoint
=> nothing happens

Other bugs r257380 introduced: 

# STEPS TO REPRODUCE:
1. inspect any page
2. go to the Elements Tab
3. select any node
4. delete ⌫ that node
=> selection moves to the previous node, but in an unfocused state, so you can't use the arrow keys for further navigation (edited) 


# STEPS TO REPRODUCE:
1. inspect any page
2. go to the Sources Tab
3. add a few JavaScript breakpoints to any file
4. select one of the JavaScript breakpoints
5. delete ⌫ that JavaScript breakpoint
=> selection moves to the previous JavaScript breakpoint, but in an unfocused state, so you can't reselect the breakpoint in order to re-enable keyboard navigation