Change more base::ListValue methods to use std::unique_ptr.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl_unittest.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 "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 535 matching lines @@
     launcher_controller_->SetAppIconLoadersForTest(loaders);
   }
 
   void SetLauncherControllerHelper(LauncherControllerHelper* helper) {
     launcher_controller_->SetLauncherControllerHelperForTest(helper);
   }
 
   void InsertPrefValue(base::ListValue* pref_value,
                        int index,
                        const std::string& extension_id) {
-    base::DictionaryValue* entry = new base::DictionaryValue();
+    auto entry = base::MakeUnique<base::DictionaryValue>();
     entry->SetString(ash::launcher::kPinnedAppsPrefAppIDPath, extension_id);
-    pref_value->Insert(index, entry);
+    pref_value->Insert(index, std::move(entry));
   }
 
   void InsertRemoveAllPinsChange(syncer::SyncChangeList* list) {
     for (const auto& sync_peer : app_service_->sync_items()) {
       sync_pb::EntitySpecifics specifics;
       sync_pb::AppListSpecifics* app_list_specifics =
           specifics.mutable_app_list();
       app_list_specifics->set_item_id(sync_peer.first);
       app_list_specifics->set_item_type(sync_pb::AppListSpecifics::TYPE_APP);
       syncer::SyncData sync_data =
@@ skipping 3338 matching lines @@
   EXPECT_TRUE(launcher_controller_->GetArcDeferredLauncher()->HasApp(app_id));
 
   std::string window_app_id("org.chromium.arc.1");
   CreateArcWindow(window_app_id);
   arc_test_.app_instance()->SendTaskCreated(1,
                                             arc_test_.fake_default_apps()[0]);
 
   EXPECT_NE(0, launcher_controller_->GetShelfIDForAppID(app_id));
   EXPECT_FALSE(launcher_controller_->GetArcDeferredLauncher()->HasApp(app_id));
 }