Disallow redundant Bind calls.

chromeos/attestation/attestation_flow.cc

 // 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.
 
 #include "chromeos/attestation/attestation_flow.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "chromeos/cryptohome/async_method_caller.h"
@@ skipping 246 matching lines @@
   if (!success) {
     LOG(ERROR) << "Attestation: Certificate request failed.";
     if (!callback.is_null())
       callback.Run(false, "");
     return;
   }
 
   // Forward the response to the attestation service to complete the operation.
   async_caller_->AsyncTpmAttestationFinishCertRequest(
       data, key_type, cryptohome::Identification(account_id), key_name,
-      base::Bind(callback));
+      callback);
 }
 
 void AttestationFlow::GetExistingCertificate(
     AttestationKeyType key_type,
     const AccountId& account_id,
     const std::string& key_name,
     const CertificateCallback& callback) {
   cryptohome_client_->TpmAttestationGetCertificate(
       key_type, cryptohome::Identification(account_id), key_name,
       base::Bind(&DBusDataMethodCallback, callback));
 }
 
 ServerProxy::~ServerProxy() {}
 
 PrivacyCAType ServerProxy::GetType() {
   return DEFAULT_PCA;
 }
 
 }  // namespace attestation
 }  // namespace chromeos