This patch contains the following changes:
- Moved the files from https://github.com/mozilla-extensions/proxy-monitor (`extension/*`) to `browser/extensions/proxy-failover`.
- In `api.js`:
- Added license at the top of the file
- Added a `globals` comment to tell ESLint about `ExtensionAPI`
- Added a comment to disable an ESLint rule on L289 (consistent-return)
- Added a comment to disable an ESLint rule on L422 (no-unused-vars)
- Reformatted some comment blocks to break ato break at ~80 chars
- Added `moz.build` to build the `proxy-failover` extension
- Added `proxy-failover` to the list of built-in system add-ons
- Added a smoke test to make sure the add-on is loaded
Differential Revision: https://phabricator.services.mozilla.com/D128466
c6a0cb3cb6