Webextension API Tracking

[trickypr]

The following APIs are implementation specific and need our own version:

• [ ] #21
• [ ] #20
• [ ] #22
• [ ] #23
• [ ] #24
• [ ] #25
• [ ] #26
  • [ ] Inspect Window
  • [ ] Network
  • [ ] Panels
• [ ] #27
• [ ] #28
• [ ] #29
• [ ] #30
• [ ] #31
• [ ] #32
• [ ] #33
• [ ] #35
• [ ] #34
• [ ] #36
• [ ] #37
• [ ] #38
• [ ] #39

[trickypr]

Note that initial implementations will not include support for mv3's service workers. Such an implementation would need the addition of webidl files, which I don't feel like dealing with right now.

[trickypr]

For some reason, non-persistent background pages will refuse to restart when triggered by an extension api (e.g. page actions).