Remove files that are no longer used in the Port EDK.

mojo/edk/system/broker_messages.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 MOJO_EDK_SYSTEM_BROKER_MESSAGES_H_
-#define MOJO_EDK_SYSTEM_BROKER_MESSAGES_H_
-
-#include <stdint.h>
-
-#include "base/compiler_specific.h"
-#include "base/process/process_handle.h"
-
-namespace mojo {
-namespace edk {
-
-// Pack all structs here.
-#pragma pack(push, 1)
-
-// This header defines the message format between ChildBroker and
-// ChildBrokerHost.
-
-#if defined(OS_WIN)
-// Windows only messages needed because sandboxed child processes need the
-// parent's help. They are sent synchronously from child to parent and each have
-// a response. They are sent over a raw pipe.
-enum WindowsSandboxMessages : uint32_t {
-  // The reply is two HANDLEs.
-  CREATE_PLATFORM_CHANNEL_PAIR = 0,
-  // The reply is tokens of the same count of passed in handles.
-  HANDLE_TO_TOKEN,
-  // The reply is handles of the same count of passed in tokens.
-  TOKEN_TO_HANDLE,
-};
-
-// Definitions of the raw bytes sent in messages.
-
-struct BrokerMessage {
-  uint32_t size;
-  WindowsSandboxMessages id;
-  // Data, if any, follows.
-  union {
-    HANDLE handles[1];  // If HANDLE_TO_TOKEN.
-    uint64_t tokens[1];  // If TOKEN_TO_HANDLE.
-  };
-};
-
-const int kBrokerMessageHeaderSize =
-  sizeof(uint32_t) + sizeof(WindowsSandboxMessages);
-
-#endif
-
-// Route id used for messages between ChildBroker and ChildBrokerHost.
-const uint64_t kBrokerRouteId = 1;
-
-// Multiplexing related messages. They are all asynchronous messages.
-// They are sent over RawChannel.
-enum MultiplexMessages : uint32_t {
-  // Messages from child to parent.
-
-  // Tells the parent that the given pipe id has been bound to a
-  // MessagePipeDispatcher in the child process. The parent will then respond
-  // with either PEER_PIPE_CONNECTED or PEER_DIED when the other side is also
-  // bound.
-  CONNECT_MESSAGE_PIPE = 0,
-  // Tells the parent to remove its bookkeeping for the given peer id since
-  // another MessagePipeDispatcher has connected to the pipe in the same
-  // process.
-  CANCEL_CONNECT_MESSAGE_PIPE,
-
-
-  // Messages from parent to child.
-
-  // Tells the child to open a channel to a given process. This will be followed
-  // by a PEER_PIPE_CONNECTED connecting a message pipe from the child process
-  // to the given process over the new channel.
-  CONNECT_TO_PROCESS,
-
-  // Connect a given message pipe to another process.
-  PEER_PIPE_CONNECTED,
-
-  // Informs the child that the other end of the message pipe is in a process
-  // that died.
-  PEER_DIED,
-};
-
-struct ConnectMessagePipeMessage {
-  // CONNECT_MESSAGE_PIPE or CANCEL_CONNECT_MESSAGE_PIPE
-  MultiplexMessages type;
-  uint64_t pipe_id;
-};
-
-struct ConnectToProcessMessage {
-  MultiplexMessages type;  // CONNECT_TO_PROCESS
-  base::ProcessId process_id;
-  // Also has an attached platform handle.
-};
-
-struct PeerPipeConnectedMessage {
-  MultiplexMessages type;  // PEER_PIPE_CONNECTED
-  uint64_t pipe_id;
-  base::ProcessId process_id;
-};
-
-struct PeerDiedMessage {
-  MultiplexMessages type;  // PEER_DIED
-  uint64_t pipe_id;
-};
-
-#pragma pack(pop)
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_BROKER_MESSAGES_H_