The NextAction date has arrived: 2018-01-22

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/23f7ac0ae187feb62913b7dc793a8721a0d37e07

commit 23f7ac0ae187feb62913b7dc793a8721a0d37e07
Author: Raymond Toy <rtoy@chromium.org>
Date: Mon Jan 29 19:08:45 2018

Remove Dezippering from StereoPannerNode

Setting the pan attribute will set the value immediately instead of
dezippering from the current value to the new value.

Chromium Feature: https://www.chromestatus.com/features/5287995770929152
Intent to ship: https://groups.google.com/a/chromium.org/d/msg/blink-dev/YKYRrh0nWMo/aGzd3049AgAJ

Bug:  752985 
Test: StereoPanner/dezipper.html
Change-Id: I13815d7cb3a6d4ea93dd8f0f1bab739e6768e561
Reviewed-on: https://chromium-review.googlesource.com/607028
Commit-Queue: Raymond Toy <rtoy@chromium.org>
Reviewed-by: Hongchan Choi <hongchan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532527}
[add] https://crrev.com/23f7ac0ae187feb62913b7dc793a8721a0d37e07/third_party/WebKit/LayoutTests/webaudio/StereoPanner/no-dezippering.html
[delete] https://crrev.com/e7efd1522e7660cbaf56131689df2007914315f4/third_party/WebKit/LayoutTests/webaudio/StereoPanner/stereopannernode-no-glitch.html
[modify] https://crrev.com/23f7ac0ae187feb62913b7dc793a8721a0d37e07/third_party/WebKit/Source/platform/audio/StereoPanner.cpp
[modify] https://crrev.com/23f7ac0ae187feb62913b7dc793a8721a0d37e07/third_party/WebKit/Source/platform/audio/StereoPanner.h