Remove raw base::DictionaryValue::Set

ios/chrome/browser/ui/webui/flags_ui.cc

 // Copyright 2015 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 "ios/chrome/browser/ui/webui/flags_ui.h"
 
 #include <string>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "components/flags_ui/flags_ui_constants.h"
 #include "components/flags_ui/flags_ui_pref_names.h"
 #include "components/flags_ui/pref_service_flags_storage.h"
@@ skipping 130 matching lines @@
 void FlagsDOMHandler::HandleRequestExperimentalFeatures(
     const base::ListValue* args) {
   experimental_features_requested_ = true;
   // Bail out if the handler hasn't been initialized yet. The request will be
   // handled after the initialization.
   if (!flags_storage_)
     return;
 
   base::DictionaryValue results;
 
-  std::unique_ptr<base::ListValue> supported_features(new base::ListValue);
-  std::unique_ptr<base::ListValue> unsupported_features(new base::ListValue);
+  auto supported_features = base::MakeUnique<base::ListValue>();
+  auto unsupported_features = base::MakeUnique<base::ListValue>();
   GetFlagFeatureEntries(flags_storage_.get(), access_, supported_features.get(),
                         unsupported_features.get());
-  results.Set(flags_ui::kSupportedFeatures, supported_features.release());
-  results.Set(flags_ui::kUnsupportedFeatures, unsupported_features.release());
+  results.Set(flags_ui::kSupportedFeatures, std::move(supported_features));
+  results.Set(flags_ui::kUnsupportedFeatures, std::move(unsupported_features));
   // Cannot restart the browser on iOS.
   results.SetBoolean(flags_ui::kNeedsRestart, false);
   results.SetBoolean(flags_ui::kShowOwnerWarning,
                      access_ == flags_ui::kGeneralAccessFlagsOnly);
 
   results.SetBoolean(flags_ui::kShowBetaChannelPromotion, false);
   results.SetBoolean(flags_ui::kShowDevChannelPromotion, false);
   web_ui()->CallJavascriptFunction(flags_ui::kReturnExperimentalFeatures,
                                    results);
 }
@@ skipping 69 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 //
 // AppleFlagsUI
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 AppleFlagsUI::AppleFlagsUI(web::WebUIIOS* web_ui)
     : BaseFlagsUI(web_ui, BaseFlagsUI::FLAGS_UI_APPLE) {}
 
 AppleFlagsUI::~AppleFlagsUI() {}