UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36

Steps to reproduce the problem:
1. For some reason my /dev/ttyACM0 had a min = 0; time = 0 configuration.

#stty <device> min 0 time 0

2. connect using chrome.serial API 

3. try to receive anything

What is the expected behavior?
according to line 168 in /device/serial/serial_io_handler_posix.cc

"// Set flags for 'raw' operation"

the flags should be set to a raw configuration 

stty --help tells me: 
raw           same as -ignbrk ... vmin 1   time 0

,so I expect vmin to be set to 1 and time set to 0

this should be the c++ -lines: // (struct termios2 options;)

options.c_cc[VTIME]=0;
options.c_cc[VMIN]=1;

this behavior appears since Chromium 54.

What went wrong?
When connecting to that interface (/dev/ttyACM0 with min = 0) my app received nothing since '-icanon' makes the interface wait to infinity if min = 0 and time = 0.

/dev/ttyACM1 had min configured to 1 so my app worked when I put in a another device first. Which lead me to investigate this issue.

Did this work before? Yes < Chromium 54

Does this work in other browsers? N/A

Chrome version: 57.0.2987.133  Channel: n/a
OS Version: 
Flash Version: Shockwave Flash 24.0 r0

options.c_cc[VTIME]=0;
options.c_cc[VMIN]=1;