Remove implicit conversions from scoped_refptr to T* in c/b/chromeos/policy

chrome/browser/chromeos/policy/device_local_account_policy_store.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 "chrome/browser/chromeos/policy/device_local_account_policy_store.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
@@ skipping 123 matching lines @@
     bool valid_timestamp_required,
     scoped_ptr<em::PolicyFetchResponse> policy_response,
     const UserCloudPolicyValidator::CompletionCallback& callback,
     chromeos::DeviceSettingsService::OwnershipStatus ownership_status) {
   DCHECK_NE(chromeos::DeviceSettingsService::OWNERSHIP_UNKNOWN,
             ownership_status);
   const em::PolicyData* device_policy_data =
       device_settings_service_->policy_data();
   scoped_refptr<ownership::PublicKey> key =
       device_settings_service_->GetPublicKey();
-  if (!key || !key->is_loaded() || !device_policy_data) {
+  if (!key.get() || !key->is_loaded() || !device_policy_data) {
     status_ = CloudPolicyStore::STATUS_BAD_STATE;
     NotifyStoreLoaded();
     return;
   }
 
   scoped_ptr<UserCloudPolicyValidator> validator(
       UserCloudPolicyValidator::Create(policy_response.Pass(),
                                        background_task_runner()));
   validator->ValidateUsername(account_id_, false);
   validator->ValidatePolicyType(dm_protocol::kChromePublicAccountPolicyType);
@@ skipping 15 matching lines @@
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
   validator->ValidateSignature(key->as_string(),
                                GetPolicyVerificationKey(),
                                connector->GetEnterpriseDomain(),
                                false);
   validator.release()->StartValidation(callback);
 }
 
 }  // namespace policy