Switch to standard integer types in ipc/.

ipc/mojo/ipc_mojo_handle_attachment.h

 // Copyright (c) 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_MOJO_IPC_MOJO_HANDLE_ATTACHMENT_H_
 #define IPC_MOJO_IPC_MOJO_HANDLE_ATTACHMENT_H_
 
 #include "base/files/file.h"
+#include "base/macros.h"
+#include "build/build_config.h"
 #include "ipc/ipc_export.h"
 #include "ipc/ipc_message_attachment.h"
 #include "mojo/public/cpp/system/handle.h"
 
 namespace IPC {
 
 namespace internal {
 
 // A MessageAttachment that holds a MojoHandle.
 // * On the sending side, every Mojo handle is a MessagePipe. This is because
@@ skipping 22 matching lines @@
   ~MojoHandleAttachment() override;
   mojo::ScopedHandle handle_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoHandleAttachment);
 };
 
 }  // namespace internal
 }  // namespace IPC
 
 #endif  // IPC_MOJO_IPC_MOJO_HANDLE_ATTACHMENT_H_