UserAgent: Mozilla/5.0 (X11; CrOS x86_64 9202.56.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.123 Safari/537.36
Platform: 9202.56.1 (Official Build) stable-channel kip

Example URL:
none

Steps to reproduce the problem:
1. Mute speaker audio
2. Play sound through headphones
3. Take headphones out, it will play for a short time

What is the expected behavior?
Mute exactly when you take out headphones,

What went wrong?
I do not know

Did this work before? No 

Is it a problem with Flash or HTML5? N/A

Does this work in other browsers? Yes

Chrome version: 57.0.2987.123  Channel: stable
OS Version: 9202.56.1
Flash Version: 25.0.0.127 

Contents of chrome://gpu: 
Canvas: Hardware accelerated
Flash: Hardware accelerated
Flash Stage3D: Hardware accelerated
Flash Stage3D Baseline profile: Hardware accelerated
Compositing: Hardware accelerated
Multiple Raster Threads: Disabled
Native GpuMemoryBuffers: Software only. Hardware acceleration disabled
Panel Fitting: Unavailable
Rasterization: Software only. Hardware acceleration disabled
Video Decode: Hardware accelerated
Video Encode: Hardware accelerated
VPx Video Decode: Hardware accelerated
WebGL: Hardware accelerated
WebGL2: Hardware accelerated

CROS 57