Introduce IPC::Channel::Create*() to ensure it being heap-allocated.

cloud_print/service/win/setup_listener.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 "cloud_print/service/win/setup_listener.h"
 
 #include <atlbase.h>
 #include <atlsecurity.h>
 
 #include "base/bind.h"
@@ skipping 99 matching lines @@
   ATL::CSecurityAttributes attribs(desk);
 
   base::win::ScopedHandle pipe(
       CreateNamedPipe(kSetupPipeName,
                       PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED |
                       FILE_FLAG_FIRST_PIPE_INSTANCE,
                       PIPE_TYPE_BYTE | PIPE_READMODE_BYTE, 1,
                       IPC::Channel::kReadBufferSize,
                       IPC::Channel::kReadBufferSize, 5000, &attribs));
   if (pipe.IsValid()) {
-    channel_.reset(new IPC::Channel(IPC::ChannelHandle(pipe),
-                                    IPC::Channel::MODE_SERVER, this));
+    channel_ = IPC::Channel::CreateServer(IPC::ChannelHandle(pipe),
+                                          this);
     channel_->Connect();
   }
 }