Delete IPC::ChannelPosix, IPC::ChannelWin and IPC::AttachmentBroker.

ipc/attachment_broker_unprivileged_mac.cc

-// Copyright 2015 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/attachment_broker_unprivileged_mac.h"
-
-#include <mach/mach.h>
-
-#include "base/mac/mach_port_util.h"
-#include "base/mac/scoped_mach_port.h"
-#include "base/process/process.h"
-#include "ipc/attachment_broker_messages.h"
-#include "ipc/brokerable_attachment.h"
-#include "ipc/ipc_sender.h"
-#include "ipc/mach_port_attachment_mac.h"
-
-namespace IPC {
-
-AttachmentBrokerUnprivilegedMac::AttachmentBrokerUnprivilegedMac() {}
-
-AttachmentBrokerUnprivilegedMac::~AttachmentBrokerUnprivilegedMac() {}
-
-bool AttachmentBrokerUnprivilegedMac::SendAttachmentToProcess(
-    const scoped_refptr<IPC::BrokerableAttachment>& attachment,
-    base::ProcessId destination_process) {
-  switch (attachment->GetBrokerableType()) {
-    case BrokerableAttachment::MACH_PORT: {
-      internal::MachPortAttachmentMac* mach_port_attachment =
-          static_cast<internal::MachPortAttachmentMac*>(attachment.get());
-      internal::MachPortAttachmentMac::WireFormat format =
-          mach_port_attachment->GetWireFormat(destination_process);
-      bool success =
-          get_sender()->Send(new AttachmentBrokerMsg_DuplicateMachPort(format));
-      if (success)
-        mach_port_attachment->reset_mach_port_ownership();
-      return success;
-    }
-    default:
-      NOTREACHED();
-      return false;
-  }
-  return false;
-}
-
-bool AttachmentBrokerUnprivilegedMac::OnMessageReceived(const Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(AttachmentBrokerUnprivilegedMac, msg)
-    IPC_MESSAGE_HANDLER(AttachmentBrokerMsg_MachPortHasBeenDuplicated,
-                        OnMachPortHasBeenDuplicated)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void AttachmentBrokerUnprivilegedMac::OnMachPortHasBeenDuplicated(
-    const IPC::internal::MachPortAttachmentMac::WireFormat& wire_format) {
-  // The IPC message was intended for a different process. Ignore it.
-  if (wire_format.destination_process != base::Process::Current().Pid()) {
-    // If everything is functioning correctly, this path should not be taken.
-    // However, it's still important to validate all fields of the IPC message.
-    LogError(WRONG_DESTINATION);
-    return;
-  }
-
-  base::mac::ScopedMachReceiveRight message_port(wire_format.mach_port);
-  base::mac::ScopedMachSendRight memory_object(
-      base::ReceiveMachPort(message_port.get()));
-
-  LogError(memory_object.get() == MACH_PORT_NULL ? ERR_RECEIVE_MACH_MESSAGE
-                                                 : SUCCESS);
-
-  IPC::internal::MachPortAttachmentMac::WireFormat translated_wire_format(
-      memory_object.release(), wire_format.destination_process,
-      wire_format.attachment_id);
-
-  scoped_refptr<BrokerableAttachment> attachment(
-      new IPC::internal::MachPortAttachmentMac(translated_wire_format));
-  HandleReceivedAttachment(attachment);
-}
-
-}  // namespace IPC