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diff --git a/security/sandbox/chromium/sandbox/win/src/broker_services.h b/security/sandbox/chromium/sandbox/win/src/broker_services.h
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+++ b/security/sandbox/chromium/sandbox/win/src/broker_services.h
@@ -0,0 +1,105 @@
+// Copyright (c) 2012 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 SANDBOX_WIN_SRC_BROKER_SERVICES_H_
+#define SANDBOX_WIN_SRC_BROKER_SERVICES_H_
+
+#include <list>
+#include <map>
+#include <memory>
+#include <set>
+#include <utility>
+
+#include "base/compiler_specific.h"
+#include "base/environment.h"
+#include "base/macros.h"
+#include "base/memory/scoped_refptr.h"
+#include "base/win/scoped_handle.h"
+#include "sandbox/win/src/crosscall_server.h"
+#include "sandbox/win/src/job.h"
+#include "sandbox/win/src/sandbox.h"
+#include "sandbox/win/src/sandbox_policy_base.h"
+#include "sandbox/win/src/sharedmem_ipc_server.h"
+#include "sandbox/win/src/win2k_threadpool.h"
+#include "sandbox/win/src/win_utils.h"
+
+namespace sandbox {
+
+// BrokerServicesBase ---------------------------------------------------------
+// Broker implementation version 0
+//
+// This is an implementation of the interface BrokerServices and
+// of the associated TargetProcess interface. In this implementation
+// TargetProcess is a friend of BrokerServices where the later manages a
+// collection of the former.
+class BrokerServicesBase final : public BrokerServices,
+                                 public SingletonBase<BrokerServicesBase> {
+ public:
+  BrokerServicesBase();
+
+  ~BrokerServicesBase();
+
+  // BrokerServices interface.
+  ResultCode Init() override;
+  scoped_refptr<TargetPolicy> CreatePolicy() override;
+  ResultCode SpawnTarget(const wchar_t* exe_path,
+                         const wchar_t* command_line,
+                         base::EnvironmentMap& env_map,
+                         scoped_refptr<TargetPolicy> policy,
+                         ResultCode* last_warning,
+                         DWORD* last_error,
+                         PROCESS_INFORMATION* target) override;
+  ResultCode WaitForAllTargets() override;
+  ResultCode AddTargetPeer(HANDLE peer_process) override;
+
+  // Checks if the supplied process ID matches one of the broker's active
+  // target processes.  We use this method for the specific purpose of
+  // checking if we can safely duplicate a handle to the supplied process
+  // in DuplicateHandleProxyAction.
+  bool IsSafeDuplicationTarget(DWORD process_id);
+
+  ResultCode GetPolicyDiagnostics(
+      std::unique_ptr<PolicyDiagnosticsReceiver> receiver) override;
+
+  bool DeriveCapabilitySidFromName(const wchar_t* name, PSID derived_sid,
+                                   DWORD sid_buffer_length) override;
+
+ private:
+  // The routine that the worker thread executes. It is in charge of
+  // notifications and cleanup-related tasks.
+  static DWORD WINAPI TargetEventsThread(PVOID param);
+
+  // The completion port used by the job objects to communicate events to
+  // the worker thread.
+  base::win::ScopedHandle job_port_;
+
+  // Handle to a manual-reset event that is signaled when the total target
+  // process count reaches zero.
+  base::win::ScopedHandle no_targets_;
+
+  // Handle to the worker thread that reacts to job notifications.
+  base::win::ScopedHandle job_thread_;
+
+  // Provides a pool of threads that are used to wait on the IPC calls.
+  std::unique_ptr<ThreadProvider> thread_pool_;
+
+  // The set representing the broker's active target processes including
+  // both sandboxed and unsandboxed peer processes.
+  std::set<DWORD> active_targets_;
+
+  // Lock used to protect active_targets_ from being simultaneously accessed
+  // by multiple threads.
+  CRITICAL_SECTION lock_;
+
+  ResultCode AddTargetPeerInternal(HANDLE peer_process_handle,
+                                   DWORD peer_process_id,
+                                   scoped_refptr<PolicyBase> policy_base,
+                                   DWORD* last_error);
+
+  DISALLOW_COPY_AND_ASSIGN(BrokerServicesBase);
+};
+
+}  // namespace sandbox
+
+#endif  // SANDBOX_WIN_SRC_BROKER_SERVICES_H_