We should wait until  crbug.com/851608  is done.

I do not think it is reasonable to have arbitrary dependencies like this. We need this behaviour change to land.

I think the review comments in the CL for this bug does indicate that this is the right dependency.  Things are getting measured for offline contexts when they should not be.

Things have never been measured for offline contexts. You misread my changes.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/96195371060e54f69b31d0cdc58a84a99376357b

commit 96195371060e54f69b31d0cdc58a84a99376357b
Author: Mounir Lamouri <mlamouri@chromium.org>
Date: Thu Jun 14 22:00:31 2018

Web Audio: allow AudioContext resume on node start().

Bug:  852159 
Change-Id: I6b6f9c3ed2c8117405923d19d1e2b6ffee3e681d
Reviewed-on: https://chromium-review.googlesource.com/1098140
Reviewed-by: Hongchan Choi <hongchan@chromium.org>
Reviewed-by: Raymond Toy <rtoy@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Mounir Lamouri <mlamouri@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567436}
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/WebKit/LayoutTests/media/autoplay/webaudio-node-start.html
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/audio_buffer_source_node.cc
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/audio_context.cc
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/audio_context.h
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/audio_context_autoplay_test.cc
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/audio_scheduled_source_node.cc
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/base_audio_context.h
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/third_party/blink/renderer/modules/webaudio/offline_audio_context.h
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/tools/metrics/histograms/enums.xml
[modify] https://crrev.com/96195371060e54f69b31d0cdc58a84a99376357b/tools/metrics/histograms/histograms.xml