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

chrome/browser/ui/webui/options/certificate_manager_browsertest.cc

 // Copyright 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 "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/options/options_ui_browsertest.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "components/policy/core/common/mock_configuration_policy_provider.h"
 #include "components/policy/core/common/policy_map.h"
 #include "components/policy/core/common/policy_types.h"
 #include "content/public/browser/render_frame_host.h"
@@ skipping 26 matching lines @@
     EXPECT_CALL(provider_, IsInitializationComplete(_))
         .WillRepeatedly(Return(true));
     policy::BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
   }
 
 #if defined(OS_CHROMEOS)
   void LoadONCPolicy(const std::string& filename) {
     const std::string& user_policy_blob =
         chromeos::onc::test_utils::ReadTestData(filename);
     policy::PolicyMap policy;
-    policy.Set(policy::key::kOpenNetworkConfiguration,
-               policy::POLICY_LEVEL_MANDATORY,
-               policy::POLICY_SCOPE_USER,
-               policy::POLICY_SOURCE_CLOUD,
-               new base::StringValue(user_policy_blob),
-               NULL);
+    policy.Set(
+        policy::key::kOpenNetworkConfiguration, policy::POLICY_LEVEL_MANDATORY,
+        policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
+        base::WrapUnique(new base::StringValue(user_policy_blob)), nullptr);
     provider_.UpdateChromePolicy(policy);
     content::RunAllPendingInMessageLoop();
   }
 #endif
 
   void ClickElement(const std::string& selector) {
     EXPECT_TRUE(content::ExecuteScript(
         GetSettingsFrame(),
         "document.querySelector(\"" + selector + "\").click()"));
   }
@@ skipping 32 matching lines @@
 // managed setting indicator (only on Chrome OS).
 IN_PROC_BROWSER_TEST_F(CertificateManagerBrowserTest,
                        PolicyCertificateWithWebTrustHasIndicator) {
   LoadONCPolicy("certificate-web-authority.onc");
   NavigateToSettings();
   ClickElement("#certificatesManageButton");
   ClickElement("#ca-certs-nav-tab");
   EXPECT_TRUE(HasElement(".cert-policy"));
 }
 #endif