Chrome Version: 52.0.2743.39
Chrome OS Version: 8350.28.0
Chrome OS Platform: All
Network info: Ethernet

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1) Connect chromecast and keep both chromecast and chromebook in same network
(2) Open file browser in chromebook and open drive
(3) Play video(AVI, OGV, 3Gp) in default media player
(4) Observe chromecast icon and cast video 
(5) Observe video on monitor

Expected Result:
-- Video continues to play on chromecast device

Actual Result:
-- video not playing, and showing not warning as it is not supporting these formats


How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)
Always

What is the impact to the user, and is there a workaround? If so, what is
it?

Please provide any additional information below. Attach a screen shot or
log if possible.