Use std::unique_ptr to express ownership of base::Value in PolicyMap::Entry

chrome/browser/chromeos/policy/device_local_account_browsertest.cc

 // Copyright (c) 2013 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.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
@@ skipping 1402 matching lines @@
 
   // Verify that the external data reference has propagated to the device-local
   // account's ProfilePolicyConnector.
   ProfilePolicyConnector* policy_connector =
       ProfilePolicyConnectorFactory::GetForBrowserContext(GetProfileForTest());
   ASSERT_TRUE(policy_connector);
   const PolicyMap& policies = policy_connector->policy_service()->GetPolicies(
       PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()));
   policy_entry = policies.Get(key::kUserAvatarImage);
   ASSERT_TRUE(policy_entry);
-  EXPECT_TRUE(base::Value::Equals(metadata.get(), policy_entry->value));
+  EXPECT_TRUE(base::Value::Equals(metadata.get(), policy_entry->value.get()));
   ASSERT_TRUE(policy_entry->external_data_fetcher);
 
   // Retrieve the external data via the ProfilePolicyConnector. The retrieval
   // should succeed because the data has been cached.
   run_loop.reset(new base::RunLoop);
   fetched_external_data.reset();
   policy_entry->external_data_fetcher->Fetch(base::Bind(
       &test::ExternalDataFetchCallback,
       &fetched_external_data,
       run_loop->QuitClosure()));
@@ skipping 1010 matching lines @@
   ASSERT_TRUE(content::ExecuteScript(contents_,
                                      "$('tos-accept-button').click();"));
 
   WaitForSessionStart();
 }
 
 INSTANTIATE_TEST_CASE_P(TermsOfServiceDownloadTestInstance,
                         TermsOfServiceDownloadTest, testing::Bool());
 
 }  // namespace policy