IPC::Channel: Reduce POSIX specific API surface

ipc/ipc_channel_proxy.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/ipc_channel_proxy.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 418 matching lines @@
 }
 
 int ChannelProxy::TakeClientFileDescriptor() {
   DCHECK(CalledOnValidThread());
 
   Channel* channel = context_.get()->channel_.get();
   // Channel must have been created first.
   DCHECK(channel) << context_.get()->channel_id_;
   return channel->TakeClientFileDescriptor();
 }
-
-bool ChannelProxy::GetPeerEuid(uid_t* peer_euid) const {
-  DCHECK(CalledOnValidThread());
-
-  Channel* channel = context_.get()->channel_.get();
-  // Channel must have been created first.
-  DCHECK(channel) << context_.get()->channel_id_;
-  return channel->GetPeerEuid(peer_euid);
-}
 #endif
 
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC