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

mojo/edk/system/broker_state.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_STATE_H_
-#define MOJO_EDK_SYSTEM_BROKER_STATE_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "base/memory/singleton.h"
-#include "base/process/process_handle.h"
-#include "base/synchronization/lock.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/broker.h"
-#include "mojo/edk/system/system_impl_export.h"
-
-namespace mojo {
-namespace edk {
-class ChildBrokerHost;
-class RoutedRawChannel;
-
-// Common broker state that has to live in a parent process. There is one
-// instance of this class in the parent process. This class implements the
-// Broker interface for use by code in the parent process as well.
-class MOJO_SYSTEM_IMPL_EXPORT BrokerState : NON_EXPORTED_BASE(public Broker) {
- public:
-  static BrokerState* GetInstance();
-
-  // Broker implementation:
-#if defined(OS_WIN)
-  void CreatePlatformChannelPair(ScopedPlatformHandle* server,
-                                 ScopedPlatformHandle* client) override;
-  void HandleToToken(const PlatformHandle* platform_handles,
-                     size_t count,
-                     uint64_t* tokens) override;
-  void TokenToHandle(const uint64_t* tokens,
-                     size_t count,
-                     PlatformHandle* handles) override;
-#endif
-  void ConnectMessagePipe(uint64_t pipe_id,
-                          MessagePipeDispatcher* message_pipe) override;
-  void CloseMessagePipe(uint64_t pipe_id,
-                        MessagePipeDispatcher* message_pipe) override;
-
-  // Called by ChildBrokerHost on construction and destruction.
-  void ChildBrokerHostCreated(ChildBrokerHost* child_broker_host);
-  void ChildBrokerHostDestructed(ChildBrokerHost* child_broker_host);
-
-  // These are called by ChildBrokerHost as they dispatch IPCs from ChildBroker.
-  // They are called on the IO thread.
-  void HandleConnectMessagePipe(ChildBrokerHost* pipe_process,
-                                uint64_t pipe_id);
-  void HandleCancelConnectMessagePipe(uint64_t pipe_id);
-
- private:
-  friend struct base::DefaultSingletonTraits<BrokerState>;
-
-  BrokerState();
-  ~BrokerState() override;
-
-  // Checks if there's a direct channel between the two processes, and if not
-  // creates one and tells them about it.
-  void EnsureProcessesConnected(base::ProcessId pid1, base::ProcessId pid2);
-
-  // Callback when a RoutedRawChannel is destroyed for cleanup.
-  // Called on the IO thread.
-  void ChannelDestructed(RoutedRawChannel* channel);
-
-  // Helper method to connect the given MessagePipe to the channel.
-  void AttachMessagePipe(MessagePipeDispatcher* message_pipe,
-                         uint64_t pipe_id,
-                         RoutedRawChannel* raw_channel);
-
-#if defined(OS_WIN)
-  // Used in the parent (unsandboxed) process to hold a mapping between HANDLES
-  // and tokens. When a child process wants to send a HANDLE to another process,
-  // it exchanges it to a token and then the other process exchanges that token
-  // back to a HANDLE.
-  base::Lock token_map_lock_;
-  base::hash_map<uint64_t, HANDLE> token_map_;
-#endif
-
-  // For pending connects originiating in this process.
-  // Only accessed on the IO thread.
-  base::hash_map<uint64_t, MessagePipeDispatcher*> pending_connects_;
-
-  // For connected message pipes in this process. This is needed so that when a
-  // MessagePipeDispatcher is closed we can remove the route for the
-  // corresponding RoutedRawChannel.
-  // Only accessed on the IO thread.
-  base::hash_map<MessagePipeDispatcher*, RoutedRawChannel*> connected_pipes_;
-
-  base::Lock lock_;  // Guards access to below.
-
-  base::hash_map<uint64_t, ChildBrokerHost*> pending_child_connects_;
-
-  // Each entry is an std::pair of ints of processe IDs that have
-  // RoutedRawChannel objects between them. The pair always has the smaller
-  // process id value first.
-  // For now, we don't reap connections if there are no more routes between two
-  // processes.
-  base::hash_set<std::pair<base::ProcessId, base::ProcessId>>
-      connected_processes_;
-
-  base::hash_map<base::ProcessId, ChildBrokerHost*> child_processes_;
-
-  // Used for message pipes in the same process.
-  RoutedRawChannel* in_process_pipes_channel1_;
-  RoutedRawChannel* in_process_pipes_channel2_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrokerState);
-};
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_BROKER_STATE_H_