The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d37fd97295ac7f7c3a5112f707ff51216f55fbbf

commit d37fd97295ac7f7c3a5112f707ff51216f55fbbf
Author: rtoy <rtoy@chromium.org>
Date: Sat Jun 18 20:51:49 2016

Clamp AudioParam automations to the nominal range.

AudioParam automations should clamp the values to the nominal ranges.
The clamping should happen just before the values are applied.

Spec issue: https://github.com/WebAudio/web-audio-api/issues/766
Resolution: https://github.com/WebAudio/web-audio-api/pull/808

BUG= 604827 
TEST=audioparam-automation-clamping.html

Review-Url: https://codereview.chromium.org/2000423008
Cr-Commit-Position: refs/heads/master@{#400599}

[add] https://crrev.com/d37fd97295ac7f7c3a5112f707ff51216f55fbbf/third_party/WebKit/LayoutTests/webaudio/audioparam-automation-clamping-expected.txt
[add] https://crrev.com/d37fd97295ac7f7c3a5112f707ff51216f55fbbf/third_party/WebKit/LayoutTests/webaudio/audioparam-automation-clamping.html
[modify] https://crrev.com/d37fd97295ac7f7c3a5112f707ff51216f55fbbf/third_party/WebKit/Source/modules/webaudio/AudioParam.cpp
[modify] https://crrev.com/d37fd97295ac7f7c3a5112f707ff51216f55fbbf/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp
[modify] https://crrev.com/d37fd97295ac7f7c3a5112f707ff51216f55fbbf/third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.h