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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef SANDBOX_SRC_TARGET_SERVICES_H__
+#define SANDBOX_SRC_TARGET_SERVICES_H__
+
+#include "base/basictypes.h"
+#include "sandbox/src/sandbox.h"
+#include "sandbox/src/win_utils.h"
+
+namespace sandbox {
+
+class ProcessState {
+ public:
+  ProcessState() : process_state_(0) {}
+
+  // Returns true if kernel32.dll has been loaded.
+  bool IsKernel32Loaded();
+
+  // Returns true if main has been called.
+  bool InitCalled();
+
+  // Returns true if LowerToken has been called.
+  bool RevertedToSelf();
+
+  // Set the current state.
+  void SetKernel32Loaded();
+  void SetInitCalled();
+  void SetRevertedToSelf();
+
+ public:
+  int process_state_;
+  DISALLOW_EVIL_CONSTRUCTORS(ProcessState);
+};
+
+// This class is an implementation of the  TargetServices.
+// Look in the documentation of sandbox::TargetServices for more info.
+// Do NOT add a destructor to this class without changing the implementation of
+// the factory method.
+class TargetServicesBase : public TargetServices {
+ public:
+  TargetServicesBase();
+
+  // Public interface of TargetServices.
+  virtual ResultCode Init();
+  virtual void LowerToken();
+  virtual ProcessState* GetState();
+
+  // Factory method.
+  static TargetServicesBase* GetInstance();
+
+  // Sends a simple IPC Message that has a well-known answer. Returns true
+  // if the IPC was successful and false otherwise. There are 2 versions of
+  // this test: 1 and 2. The first one send a simple message while the
+  // second one send a message with an in/out param.
+  bool TestIPCPing(int version);
+
+ private:
+  ProcessState process_state_;
+  DISALLOW_EVIL_CONSTRUCTORS(TargetServicesBase);
+};
+
+}  // namespace sandbox
+
+#endif  // SANDBOX_SRC_TARGET_SERVICES_H__