Proposal to add defaultDevice attribute to getMediaDevices.

Hi,
I would like to propose adding a defaultDevice attribute which indicates
which device is the default device out of the list.

dictionary MediaDeviceInfo {    DOMString       deviceId
<http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaDeviceInfo-deviceId>;
   MediaDeviceKind
<http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-MediaDeviceKind>
kind <http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaDeviceInfo-kind>;
   DOMString       label
<http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaDeviceInfo-label>;
   DOMString       groupId
<http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaDeviceInfo-groupId>;

*    bool            defaultDevice;*
};

This will allow a default value checked while displaying the list of
devices.


Thanks,
Kiran.