ipc: Add the class HandleWin.

ipc/attachment_broker_privileged_win.h

 // 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.
 
 #ifndef IPC_ATTACHMENT_BROKER_PRIVILEGED_WIN_H_
 #define IPC_ATTACHMENT_BROKER_PRIVILEGED_WIN_H_
 
 #include "ipc/attachment_broker_privileged.h"
 #include "ipc/handle_attachment_win.h"
 #include "ipc/ipc_export.h"
@@ skipping 11 matching lines @@
   // IPC::AttachmentBroker overrides.
   bool SendAttachmentToProcess(const BrokerableAttachment* attachment,
                                base::ProcessId destination_process) override;
 
   // IPC::Listener overrides.
   bool OnMessageReceived(const Message& message) override;
 
  private:
   using HandleWireFormat = internal::HandleAttachmentWin::WireFormat;
   // IPC message handlers.
-  void OnDuplicateWinHandle(const IPC::Message& message);
+  void OnDuplicateWinHandle(const Message& message);
 
   // Duplicates |wire_Format| from |source_process| into its destination
   // process.
   HandleWireFormat DuplicateWinHandle(const HandleWireFormat& wire_format,
                                       base::ProcessId source_process);
 
   // If the HANDLE's destination is this process, queue it and notify the
   // observers. Otherwise, send it in an IPC to its destination.
   void RouteDuplicatedHandle(const HandleWireFormat& wire_format);
 
   DISALLOW_COPY_AND_ASSIGN(AttachmentBrokerPrivilegedWin);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_ATTACHMENT_BROKER_PRIVILEGED_WIN_H_