Add additional status APIs for the TPM.

tpm_init.h

Index: tpm_init.h
diff --git a/tpm_init.h b/tpm_init.h
index e2e6bd16797cc5d1db679fefdc967a92546d222c..1f15fd43e8bfc7a2068bdd4b2629c1dd4baa9b86 100644
--- a/tpm_init.h
+++ b/tpm_init.h
@@ -39,6 +39,12 @@ class TpmInit {
   // 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