Update UI and catch executeScript errors now shown in Canary

Update the settings and popup pages. Disable the whitelist box when it's not relevant (the checkbox is not checked). Catch errors from the initial executeScript calls running on prohibited pages, because they're now displayed on the Extensions page otherwise.


Review URL: https://codereview.chromium.org//2400303003 .
13 files changed
tree: b11b3848eb015943d2b19af40e1d9885a14c3b95
  1. go-back-with-backspace/
  2. .gitignore