Make operators on scoped_ptr match the ones defined for std::unique_ptr

chrome/browser/chromeos/platform_keys/platform_keys_nss.cc

 // Copyright 2014 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 "chrome/browser/chromeos/platform_keys/platform_keys.h"
 
 #include <cert.h>
 #include <cryptohi.h>
 #include <keyhi.h>
 #include <secder.h>
@@ skipping 615 matching lines @@
     state->OnError(FROM_HERE, kErrorKeyNotFound);
     return;
   } else if (cert_status != net::OK) {
     state->OnError(FROM_HERE, net::ErrorToString(cert_status));
     return;
   }
 
   // Check that the private key is in the correct slot.
   PK11SlotInfo* slot =
       PK11_KeyForCertExists(state->certificate_->os_cert_handle(), NULL, NULL);
-  if (slot != state->slot_) {
+  if (slot != state->slot_.get()) {
     state->OnError(FROM_HERE, kErrorKeyNotFound);
     return;
   }
 
   const net::Error import_status =
       static_cast<net::Error>(db->AddUserCert(state->certificate_.get()));
   if (import_status != net::OK) {
     LOG(ERROR) << "Could not import certificate.";
     state->OnError(FROM_HERE, net::ErrorToString(import_status));
     return;
@@ skipping 247 matching lines @@
   NSSOperationState* state_ptr = state.get();
   GetCertDatabase(std::string() /* don't get any specific slot */,
                   base::Bind(&GetTokensWithDB, base::Passed(&state)),
                   browser_context,
                   state_ptr);
 }
 
 }  // namespace platform_keys
 
 }  // namespace chromeos