Add additional status APIs for the TPM.

tpm_init.h

 // Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TpmInit - public interface class for initializing the TPM
 
 #include <base/scoped_ptr.h>
 #include <base/platform_thread.h>
 #include <chromeos/utility.h>
 
@@ skipping 21 matching lines @@
 
   // Starts asynchronous initialization of the TPM
   virtual bool StartInitializeTpm();
 
   // Returns true if the TPM is initialized and ready for use
   virtual bool IsTpmReady();
 
   // Returns true if the TPM is enabled
   virtual bool IsTpmEnabled();
 
+  // Returns true if the TPM is owned
+  virtual bool IsTpmOwned();
+
+  // Returns true if the TPM is being owned
+  virtual bool IsTpmBeingOwned();
+
   // Gets the TPM password if the TPM initialization took ownership
   //
   // Parameters
   //   password (OUT) - The owner password used for the TPM
   virtual bool GetTpmPassword(chromeos::Blob* password);
 
   // Returns the number of milliseconds it took to initialize the TPM
   virtual long GetInitializationMillis();
 
  private:
   // The background task for initializing the TPM, implemented as a
   // PlatformThread::Delegate
   scoped_ptr<TpmInitTask> tpm_init_;
 
   DISALLOW_COPY_AND_ASSIGN(TpmInit);
 };
 
 }  // namespace tpm_init
 
 #endif  // TPM_INIT_TPM_INIT_H_