Change `waitOnEventOrTimeout`, in web/ui_utils.js, to return a regular `Promise` and remove the `createPromiseCapability` import#9898

Merged

timvandermeij merged 1 commit intomozilla:masterfrom Snuffleupagus:rm-createPromiseCapability-waitOnEventOrTimeout

Jul 16, 2018

+24-28

Commits on Jul 16, 2018

Change waitOnEventOrTimeout, in web/ui_utils.js, to return a regular Promise and remove the createPromiseCapability import
Snuffleupagus
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