Added dbus bindings for new cryptohomed attestation APIs.

chromeos/dbus/cryptohome_client.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 CHROMEOS_DBUS_CRYPTOHOME_CLIENT_H_
 #define CHROMEOS_DBUS_CRYPTOHOME_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 306 matching lines @@
   // A nonce will be appended to the challenge before signing; this method
   // cannot be used to sign arbitrary data.  The |callback| will be called when
   // the dbus call completes.  When the operation completes, the
   // AsyncCallStatusWithDataHandler signal handler is called.
   virtual void TpmAttestationSignSimpleChallenge(
       AttestationKeyType key_type,
       const std::string& key_name,
       const std::string& challenge,
       const AsyncMethodCallback& callback) = 0;
 
+  // Gets the payload associated with the key specified by |key_type| and
+  // |key_name|.  The |callback| will be called when the operation completes.
+  // If the key does not exist the callback |result| parameter will be false.
+  // If no payload has been set for the key the callback |result| parameter will
+  // be true and the |data| parameter will be empty.
+  virtual void TpmAttestationGetKeyPayload(
+      AttestationKeyType key_type,
+      const std::string& key_name,
+      const DataMethodCallback& callback) = 0;
+
+  // Sets the |payload| associated with the key specified by |key_type| and
+  // |key_name|.  The |callback| will be called when the operation completes.
+  // If the operation succeeds, the callback |result| parameter will be true.
+  virtual void TpmAttestationSetKeyPayload(
+      AttestationKeyType key_type,
+      const std::string& key_name,
+      const std::string& payload,
+      const BoolDBusMethodCallback& callback) = 0;
+
  protected:
   // Create() should be used instead.
   CryptohomeClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CryptohomeClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_CRYPTOHOME_CLIENT_H_