Mojo: Move PlatformChannelPair to its own files.

mojo/system/platform_channel_pair.cc

Index: mojo/system/platform_channel_pair.cc
diff --git a/mojo/system/platform_channel.cc b/mojo/system/platform_channel_pair.cc
similarity index 61%
copy from mojo/system/platform_channel.cc
copy to mojo/system/platform_channel_pair.cc
index 9f362f69c1ba0c113fe4187e7f0ce70124db0bc7..cdf27a465426694349542cdb3f9787a65e90c543 100644
--- a/mojo/system/platform_channel.cc
+++ b/mojo/system/platform_channel_pair.cc
@@ -1,39 +1,15 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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 "mojo/system/platform_channel_pair.h"
 
 #include "base/logging.h"
+#include "mojo/system/platform_channel.h"
 
 namespace mojo {
 namespace system {
 
-PlatformChannel::~PlatformChannel() {
-  handle_.CloseIfNecessary();
-}
-
-// static
-scoped_ptr<PlatformChannel> PlatformChannel::CreateFromHandle(
-    const PlatformChannelHandle& handle) {
-  DCHECK(handle.is_valid());
-  scoped_ptr<PlatformChannel> rv(new PlatformChannel());
-  *rv->mutable_handle() = handle;
-  return rv.Pass();
-}
-
-PlatformChannelHandle PlatformChannel::PassHandle() {
-  DCHECK(is_valid());
-  PlatformChannelHandle rv = handle_;
-  handle_ = PlatformChannelHandle();
-  return rv;
-}
-
-PlatformChannel::PlatformChannel() {
-}
-
-// -----------------------------------------------------------------------------
-
 PlatformChannelPair::~PlatformChannelPair() {
   server_handle_.CloseIfNecessary();
   client_handle_.CloseIfNecessary();