Cache sandbox tokens

sandbox/win/src/broker_services.h

 // 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 <set>
+#include <utility>
 #include "base/basictypes.h"
 #include "base/compiler_specific.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/sharedmem_ipc_server.h"
 #include "sandbox/win/src/win2k_threadpool.h"
 #include "sandbox/win/src/win_utils.h"
 
@@ skipping 77 matching lines @@
 
   // Maps peer process IDs to the saved handle and wait event.
   // Prevents peer callbacks from accessing the broker after destruction.
   typedef std::map<DWORD, PeerTracker*> PeerTrackerMap;
   PeerTrackerMap peer_map_;
 
   // Provides a fast lookup to identify sandboxed processes that belong to a
   // job. Consult |jobless_process_handles_| for handles of pocess without job.
   std::set<DWORD> child_process_ids_;
 
+  typedef std::map<uint32_t, std::pair<HANDLE, HANDLE>> TokenCacheMap;
+  TokenCacheMap token_cache_;
+
   DISALLOW_COPY_AND_ASSIGN(BrokerServicesBase);
 };
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_WIN_SRC_BROKER_SERVICES_H_