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

mojo/edk/system/child_broker_host.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_CHILD_BROKER_HOST_H_
-#define MOJO_EDK_SYSTEM_CHILD_BROKER_HOST_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/process/process.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/routed_raw_channel.h"
-#include "mojo/edk/system/system_impl_export.h"
-
-namespace mojo {
-namespace edk {
-
-// Responds to requests from ChildBroker. This is used to handle message pipe
-// multiplexing and Windows sandbox messages. There is one object of this class
-// per child process host object.
-// This object will delete itself when it notices that the pipe is broken.
-class MOJO_SYSTEM_IMPL_EXPORT ChildBrokerHost
-    : public RawChannel::Delegate
-#if defined(OS_WIN)
-      , NON_EXPORTED_BASE(public base::MessageLoopForIO::IOHandler) {
-#else
-    {
-#endif
- public:
-  // |child_process| is a handle to the child process. It will be duplicated by
-  // this object. |pipe| is a handle to the communication pipe to the child
-  // process, which is generated inside mojo::edk::ChildProcessLaunched. It is
-  // owned by this class.
-  ChildBrokerHost(base::ProcessHandle child_process, ScopedPlatformHandle pipe);
-
-  base::ProcessId GetProcessId();
-
-  // Sends a message to the child process to connect to |process_id| via |pipe|.
-  void ConnectToProcess(base::ProcessId process_id, ScopedPlatformHandle pipe);
-
-  // Sends a message to the child process that |pipe_id|'s other end is in
-  // |process_id|. If the other end is in this parent process, |process_id| will
-  // be 0.
-  void ConnectMessagePipe(uint64_t pipe_id, base::ProcessId process_id);
-
-  // Sends a message to the child process informing it that the peer process has
-  // died before it could connect.
-  void PeerDied(uint64_t pipe_id);
-
-  RoutedRawChannel* channel() { return child_channel_; }
-
- private:
-  ~ChildBrokerHost() override;
-
-  void InitOnIO(ScopedPlatformHandle parent_async_channel_handle);
-
-  // RawChannel::Delegate implementation:
-  void OnReadMessage(
-      const MessageInTransit::View& message_view,
-      ScopedPlatformHandleVectorPtr platform_handles) override;
-  void OnError(Error error) override;
-
-  // Callback for when child_channel_ is destroyed.
-  void ChannelDestructed(RoutedRawChannel* channel);
-
-#if defined(OS_WIN)
-  void BeginRead();
-
-  // base::MessageLoopForIO::IOHandler implementation:
-  void OnIOCompleted(base::MessageLoopForIO::IOContext* context,
-                     DWORD bytes_transferred,
-                     DWORD error) override;
-
-  // Helper wrappers around DuplicateHandle.
-  HANDLE DuplicateToChild(HANDLE handle);
-  HANDLE DuplicateFromChild(HANDLE handle);
-#endif
-
-  base::ProcessId process_id_;
-
-  // Channel used to receive and send multiplexing related messages.
-  RoutedRawChannel* child_channel_;
-
-#if defined(OS_WIN)
-  // Handle to the child process, used for duplication of handles.
-  base::Process child_process_;
-
-  // Pipe used for synchronous messages from the child. Responses are written to
-  // it as well.
-  ScopedPlatformHandle sync_channel_;
-
-  base::MessageLoopForIO::IOContext read_context_;
-  base::MessageLoopForIO::IOContext write_context_;
-
-  std::vector<char> read_data_;
-  // How many bytes in read_data_ we already read.
-  uint32_t num_bytes_read_;
-  std::vector<char> write_data_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(ChildBrokerHost);
-};
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_CHILD_BROKER_HOST_H_