Revert 187554 "Implement IPC::ChannelFactory, a class that accep..."

Revert 187554 "Implement IPC::ChannelFactory, a class that accep..."

Reverting because it seems to cause failures on ipc_tests
(UnixDomainSocketUtil.Connect, UnixDomainSocketUtil.SendReceive) on Android.

> Implement IPC::ChannelFactory, a class that accept()s on a UNIX socket.
> 
> IPC::ChannelFactory listens on a UNIX domain socket and notifies its delegate
> when a client connects. The delegate is expected to craft an IPC::Channel from
> the handle it is given.
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=186912
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=187233
> 
> Review URL: https://chromiumcodereview.appspot.com/12386010

TBR=jeremya@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=187760

[falken, 2013-03-13 03:46:40]

Committed patchset #1 manually as r187760.

[falken, 2013-03-13 03:47:15]

On 2013/03/13 03:46:40, falken wrote:
> Committed patchset #1 manually as r187760.

Commented on original review: https://chromiumcodereview.appspot.com/12386010