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

chrome/browser/ui/webui/settings/protocol_handlers_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/protocol_handlers_handler.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
 #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 "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/web_ui.h"
 
@@ skipping 68 matching lines @@
   // for Handlers. Please update them whenever you add or remove any keys here.
   handlers_value->SetString("protocol", protocol);
   handlers_value->SetInteger("default_handler",
       registry->GetHandlerIndex(protocol));
   handlers_value->SetBoolean(
       "is_default_handler_set_by_user",
       registry->IsRegisteredByUser(registry->GetHandlerFor(protocol)));
   handlers_value->SetBoolean("has_policy_recommendations",
                              registry->HasPolicyRegisteredHandler(protocol));
 
-  base::ListValue* handlers_list = new base::ListValue();
-  GetHandlersAsListValue(registry->GetHandlersFor(protocol), handlers_list);
-  handlers_value->Set("handlers", handlers_list);
+  auto handlers_list = base::MakeUnique<base::ListValue>();
+  GetHandlersAsListValue(registry->GetHandlersFor(protocol),
+                         handlers_list.get());
+  handlers_value->Set("handlers", std::move(handlers_list));
 }
 
 void ProtocolHandlersHandler::GetIgnoredHandlers(base::ListValue* handlers) {
   ProtocolHandlerRegistry* registry = GetProtocolHandlerRegistry();
   ProtocolHandlerRegistry::ProtocolHandlerList ignored_handlers =
       registry->GetIgnoredHandlers();
   return GetHandlersAsListValue(ignored_handlers, handlers);
 }
 
 void ProtocolHandlersHandler::UpdateHandlerList() {
@@ skipping 105 matching lines @@
 void ProtocolHandlersHandler::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_PROTOCOL_HANDLER_REGISTRY_CHANGED, type);
   SendHandlersEnabledValue();
   UpdateHandlerList();
 }
 
 }  // namespace settings