Refactor code in the `web/` folder to use `async`/`await`#9995

Merged

timvandermeij merged 6 commits intomozilla:masterfrom Snuffleupagus:async-web

Sep 8, 2018

+408-467

Commits on Sep 3, 2018

Refactor the IL10n implementations to utilize async methods rather than manually returning Promises
Snuffleupagus
committed
Refactor the OverlayManager to utilize async methods rather than manually returning Promises
Snuffleupagus
committed
Refactor the Preferences classes to utilize async methods rather than manually returning Promises
Snuffleupagus
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Refactor the ViewHistory to utilize async methods rather than manually returning Promises
Snuffleupagus
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Refactor a number of methods in PDFViewerApplication to be async rather than manually returning Promises
Snuffleupagus
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Utilize async/await in PDFViewerApplication.load to reduce the number of Promises and temporary variables necessary when setting the initial document location
Snuffleupagus
committed