The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/55090ced4ac7e736f66507d06ac858dd66377116

commit 55090ced4ac7e736f66507d06ac858dd66377116
Author: Raymond Toy <rtoy@chromium.org>
Date: Tue Aug 28 19:13:56 2018

Change UpdateSchedulingInfo to return values

Currently the last three parameters to UpdateSchedulingInfo are
actually return values.  This is hard to remember, so change
UpdateSchedulingInfo to return the three values as a tuple to make it
clear what its inputs and outputs are.

Bug:  878171 
Test: all layout tests pass
Change-Id: I43cdcc4127d3890fe6b2f1107e0f7731bdcfc2e5
Reviewed-on: https://chromium-review.googlesource.com/1192351
Reviewed-by: Hongchan Choi <hongchan@chromium.org>
Commit-Queue: Raymond Toy <rtoy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586806}
[modify] https://crrev.com/55090ced4ac7e736f66507d06ac858dd66377116/third_party/blink/renderer/modules/webaudio/audio_buffer_source_node.cc
[modify] https://crrev.com/55090ced4ac7e736f66507d06ac858dd66377116/third_party/blink/renderer/modules/webaudio/audio_scheduled_source_node.cc
[modify] https://crrev.com/55090ced4ac7e736f66507d06ac858dd66377116/third_party/blink/renderer/modules/webaudio/audio_scheduled_source_node.h
[modify] https://crrev.com/55090ced4ac7e736f66507d06ac858dd66377116/third_party/blink/renderer/modules/webaudio/constant_source_node.cc
[modify] https://crrev.com/55090ced4ac7e736f66507d06ac858dd66377116/third_party/blink/renderer/modules/webaudio/oscillator_node.cc