Verify that navigator is rendered properly when frame with dynamic script and style is added and removed.


Running: dumpInitialNavigator
top
  127.0.0.1:8000
    devtools/resources
      inspected-page.html

Running: attachFrame
top
  127.0.0.1:8000
    devtools/resources
      inspected-page.html
  frame (dynamic-frame.html)
    127.0.0.1:8000
      devtools
        bindings/resources
          dynamic-frame.html
        resources
          dynamic-script.js
    (no domain)
      dynamic-style.css

Running: detachFrame
top
  127.0.0.1:8000
    devtools/resources
      inspected-page.html