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

chrome/browser/sync/test/integration/two_client_bookmarks_sync_test.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 <stddef.h>
 
+#include <utility>
+
 #include "base/macros.h"
 #include "base/rand_util.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/policy/profile_policy_connector_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/test/integration/bookmarks_helper.h"
 #include "chrome/browser/sync/test/integration/passwords_helper.h"
@@ skipping 2184 matching lines @@
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(AllModelsMatchVerifier());
   ASSERT_EQ(1, bar_node0->child_count());
   ASSERT_EQ(1, bar_node1->child_count());
 
   // Set the ManagedBookmarks policy for the first Profile,
   // which will add one new managed bookmark.
   base::DictionaryValue* bookmark = new base::DictionaryValue();
   bookmark->SetString("name", "Managed bookmark");
   bookmark->SetString("url", "youtube.com");
-  base::ListValue* list = new base::ListValue();
+  std::unique_ptr<base::ListValue> list(new base::ListValue());
   list->Append(bookmark);
   policy::PolicyMap policy;
-  policy.Set(policy::key::kManagedBookmarks,
-             policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
-             policy::POLICY_SOURCE_CLOUD, list, nullptr);
+  policy.Set(policy::key::kManagedBookmarks, policy::POLICY_LEVEL_MANDATORY,
+             policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
+             std::move(list), nullptr);
   policy_provider_.UpdateChromePolicy(policy);
   base::RunLoop().RunUntilIdle();
 
   // Now add another user bookmark and wait for it to sync.
   ASSERT_TRUE(AddURL(0, "Google 2", google_url) != NULL);
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(AllModelsMatchVerifier());
 
   EXPECT_FALSE(GetSyncService(0)->HasUnrecoverableError());
   EXPECT_FALSE(GetSyncService(1)->HasUnrecoverableError());
@@ skipping 112 matching lines @@
   // second client.
   ASSERT_TRUE(GetClient(0)->DisableSyncForDatatype(syncer::BOOKMARKS));
   const std::string url_title_2 = "another happy little url";
   const GURL url_2("https://example.com/second");
   ASSERT_TRUE(AddURL(0, GetBookmarkBarNode(0), 0, url_title_2, url_2) != NULL);
   ASSERT_TRUE(GetClient(0)->EnableSyncForDatatype(syncer::BOOKMARKS));
   ASSERT_TRUE(AwaitAllModelsMatch());
   ASSERT_EQ(initial_count + 2, CountAllBookmarks(0));
   ASSERT_EQ(initial_count + 2, CountAllBookmarks(1));
 }