Added dbus bindings for new cryptohomed attestation APIs.

chrome/browser/chromeos/policy/device_local_account_browsertest.cc

Index: chrome/browser/chromeos/policy/device_local_account_browsertest.cc
diff --git a/chrome/browser/chromeos/policy/device_local_account_browsertest.cc b/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
index 1ecb0bf8fbc5c178e6980cc4d8df08d9fcffc742..a791058ef2425d88d116166b0f32e0e5062581d3 100644
--- a/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
+++ b/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
@@ -356,6 +356,15 @@ class FakeCryptohomeClient : public chromeos::CryptohomeClient {
       const std::string& key_name,
       const std::string& challenge,
       const AsyncMethodCallback& callback) OVERRIDE {}
+  virtual void TpmAttestationGetKeyPayload(
+      AttestationKeyType key_type,
+      const std::string& key_name,
+      const DataMethodCallback& callback) OVERRIDE {}
+  virtual void TpmAttestationSetKeyPayload(
+      AttestationKeyType key_type,
+      const std::string& key_name,
+      const std::string& payload,
+      const chromeos::BoolDBusMethodCallback& callback) OVERRIDE {}
 
  private:
   AsyncCallStatusHandler handler_;