fix(extension): polyfill `chrome.storage.sync` for Electron (#711)
fix(extension): polyfill `chrome.storage.sync` for Electron (#711)

`chrome.storage.sync` is not supported on Electron (https://www.electronjs.org/docs/api/extensions#chromestorage).

Co-authored-by: Nathan Bierema <a6fca4d50c35000ae1d7c4c67bfdcdf64e0204e4@gmail.com>
gaearon/redux-devtools