The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3010bfc167e7af9d4ecd48a54189c721c2b93dbf

commit 3010bfc167e7af9d4ecd48a54189c721c2b93dbf
Author: rtoy <rtoy@chromium.org>
Date: Thu Mar 23 23:02:01 2017

Detach buffer in decodeAudioData

Handle audio buffer according to WebAudio spec.  If the audio buffer
is detached, reject the promise with DataCloneError.  Otherwise, detach
the buffer and decode the buffer.

Chrome Feature: https://www.chromestatus.com/feature/5539919174828032

BUG= 704679 , 696179
TEST=decodeAudioData/decode-audio-data-neuter.html

Review-Url: https://codereview.chromium.org/2746913003
Cr-Commit-Position: refs/heads/master@{#459266}

[modify] https://crrev.com/3010bfc167e7af9d4ecd48a54189c721c2b93dbf/third_party/WebKit/LayoutTests/webaudio/decodeAudioData/decode-audio-data-basic.html
[add] https://crrev.com/3010bfc167e7af9d4ecd48a54189c721c2b93dbf/third_party/WebKit/LayoutTests/webaudio/decodeAudioData/decode-audio-data-neuter.html
[modify] https://crrev.com/3010bfc167e7af9d4ecd48a54189c721c2b93dbf/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp