Used in: devtools/client/shared/theme-switching.js devtools/client/webconsole/net/main.js More details to follow as we triage.

Comment on attachment 8884237 [details] Bug 1378825 - Stop using sdk/stylesheet/utils in DevTools; https://reviewboard.mozilla.org/r/155190/#review160244 We already have this code in `devtools/shared/layout/utils.js` (http://searchfox.org/mozilla-central/source/devtools/shared/layout/utils.js); you can either require this module, or move the stylesheet related code into stylesheet-utils (in that case you have also to replace all the usage of such code that requires layout/utils). As a side note and personal preference, I would prefer having `stylesheet/utils` instead of the kebab case, to match both the `layout/utils` and the old usage of `stylesheets/utils`, and define a better domain (so that if we need to add or split some logic related to stylesheets, we're still in the same folder, and we don't have to create a `stylesheet-something` in addition to `stylesheet-utils`).

Patch updated, thanks for the comments! Honza

Comment on attachment 8884237 [details] Bug 1378825 - Stop using sdk/stylesheet/utils in DevTools; https://reviewboard.mozilla.org/r/155190/#review163482 looks good to me!

Pushed by jodvarko@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/299ca152f01a Stop using sdk/stylesheet/utils in DevTools; r=zer0