Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/settings/search_engines_handler.cc

 // Copyright 2016 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/webui/settings/search_engines_handler.h"
 
+#include <utility>
+
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/hotword_audio_history_handler.h"
@@ skipping 238 matching lines @@
         extensions::ExtensionRegistry::Get(profile)->GetExtensionById(
             template_url->GetExtensionId(),
             extensions::ExtensionRegistry::EVERYTHING);
     if (extension) {
       std::unique_ptr<base::DictionaryValue> ext_info =
           extensions::util::GetExtensionInfo(extension);
       ext_info->SetBoolean("canBeDisabled",
                            !extensions::ExtensionSystem::Get(profile)
                                 ->management_policy()
                                 ->MustRemainEnabled(extension, nullptr));
-      dict->Set("extension", ext_info.release());
+      dict->Set("extension", std::move(ext_info));
     }
   }
   return dict;
 }
 
 void SearchEnginesHandler::HandleGetSearchEnginesList(
     const base::ListValue* args) {
   CHECK_EQ(1U, args->GetSize());
   const base::Value* callback_id;
   CHECK(args->Get(0, &callback_id));
@@ skipping 277 matching lines @@
     bool logging_enabled =
         profile_->GetPrefs()->GetBoolean(prefs::kHotwordAudioLoggingEnabled);
     launch_mode = logging_enabled ? HotwordService::HOTWORD_ONLY
                                   : HotwordService::HOTWORD_AND_AUDIO_HISTORY;
   }
   hotword_service->OptIntoHotwording(launch_mode);
   SendHotwordInfo();
 }
 
 }  // namespace settings