Remove unused parts of IPC::ChannelHandle.

ipc/ipc_channel_common.cc

 // 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 "build/build_config.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_mojo.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
 namespace IPC {
@@ skipping 39 matching lines @@
 #if defined(OS_NACL_SFI)
   return Channel::Create(channel_handle, Channel::MODE_SERVER, listener);
 #else
   DCHECK(channel_handle.is_mojo_channel_handle());
   return ChannelMojo::Create(
       mojo::ScopedMessagePipeHandle(channel_handle.mojo_handle),
       Channel::MODE_SERVER, listener, ipc_task_runner);
 #endif
 }
 
-// static
-void Channel::GenerateMojoChannelHandlePair(
-    const std::string& name_postfix,
-    IPC::ChannelHandle* handle0,
-    IPC::ChannelHandle* handle1) {
-  DCHECK_NE(handle0, handle1);
-  mojo::MessagePipe message_pipe;
-  *handle0 = ChannelHandle(message_pipe.handle0.release());
-  *handle1 = ChannelHandle(message_pipe.handle1.release());
-}
-
 Channel::~Channel() {
 }
 
 Channel::AssociatedInterfaceSupport* Channel::GetAssociatedInterfaceSupport() {
   return nullptr;
 }
 
 void Channel::Pause() { NOTREACHED(); }
 
 void Channel::Unpause(bool flush) { NOTREACHED(); }
 
 void Channel::Flush() { NOTREACHED(); }
 
 void Channel::WillConnect() {
   did_start_connect_ = true;
 }
 
 }  // namespace IPC