Convert open_audio_files.js to use async-await.

Bug: 909056 Change-Id: Iaf5d3909b8a63f4beca7feda97e20695e5537a2b Reviewed-on: https://chromium-review.googlesource.com/c/1354747 Commit-Queue: Sam McNally <sammc@chromium.org> Reviewed-by: Noel Gordon <noel@chromium.org> Cr-Commit-Position: refs/heads/master@{#612099}

Convert open_audio_files.js to use async-await.
Bug: 909056 Change-Id: Iaf5d3909b8a63f4beca7feda97e20695e5537a2b Reviewed-on: https://chromium-review.googlesource.com/c/1354747 Commit-Queue: Sam McNally <sammc@chromium.org> Reviewed-by: Noel Gordon <noel@chromium.org> Cr-Commit-Position: refs/heads/master@{#612099}
1d91e908 · Sam McNally · Commit Bot · 9cd83640 · 1d91e908
Commit 1d91e908 authored Nov 29, 2018 by Sam McNally Committed by Commit Bot Nov 29, 2018
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Showing with 331 additions and 547 deletions

ui/file_manager/integration_tests/file_manager/open_audio_files.js ...anager/integration_tests/file_manager/open_audio_files.js +331 -547

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--- a/ui/file_manager/integration_tests/file_manager/open_audio_files.js
+++ b/ui/file_manager/integration_tests/file_manager/open_audio_files.js