Mojo: Move PlatformChannelPair to its own files.

mojo/system/platform_channel.cc

 // Copyright 2013 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 "mojo/system/platform_channel.h"
 
 #include "base/logging.h"
 
 namespace mojo {
 namespace system {
@@ skipping 14 matching lines @@
 PlatformChannelHandle PlatformChannel::PassHandle() {
   DCHECK(is_valid());
   PlatformChannelHandle rv = handle_;
   handle_ = PlatformChannelHandle();
   return rv;
 }
 
 PlatformChannel::PlatformChannel() {
 }
 
-// -----------------------------------------------------------------------------
-
-PlatformChannelPair::~PlatformChannelPair() {
-  server_handle_.CloseIfNecessary();
-  client_handle_.CloseIfNecessary();
-}
-
-scoped_ptr<PlatformChannel> PlatformChannelPair::CreateServerChannel() {
-  if (!server_handle_.is_valid()) {
-    LOG(WARNING) << "Server handle invalid";
-    return scoped_ptr<PlatformChannel>();
-  }
-
-  scoped_ptr<PlatformChannel> rv =
-      PlatformChannel::CreateFromHandle(server_handle_);
-  server_handle_ = PlatformChannelHandle();
-  return rv.Pass();
-}
-
-scoped_ptr<PlatformChannel> PlatformChannelPair::CreateClientChannel() {
-  if (!client_handle_.is_valid()) {
-    LOG(WARNING) << "Client handle invalid";
-    return scoped_ptr<PlatformChannel>();
-  }
-
-  scoped_ptr<PlatformChannel> rv =
-      PlatformChannel::CreateFromHandle(client_handle_);
-  client_handle_ = PlatformChannelHandle();
-  return rv.Pass();
-}
-
 }  // namespace system
 }  // namespace mojo