Issue 2638: Show info popup when hovering a breakpoint / execution indicator icon

Steps to reproduce

  1. Open Firebug
  2. Enable and switch to the Script panel
  3. Right-click on the breakpoint column at line 10 (a += i;)
    Breakpoint condition editor will be opened
  4. Enter i == 5 into the condition editor and hit Enter
  5. Hover the breakpoint inside the breakpoint column

Expected result