Remove ListValue::Append(raw ptr) on Mac and iOS

ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc

Index: ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
diff --git a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
index 4a136416c31d2eb21477d4f99ac8c7da66751e4a..942459bc8a7ee839cc6ea952f652e29fdd4c153f 100644
--- a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
+++ b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
@@ -7,6 +7,7 @@
 #include <vector>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/signin/core/browser/signin_manager.h"
@@ -125,7 +126,8 @@ void SyncInternalsMessageHandler::HandleRequestListOfTypes(
   ModelTypeSet protocol_types = syncer::ProtocolTypes();
   for (ModelTypeSet::Iterator it = protocol_types.First(); it.Good();
        it.Inc()) {
-    type_list->Append(new base::Value(ModelTypeToString(it.Get())));
+    type_list->Append(
+        base::MakeUnique<base::Value>(ModelTypeToString(it.Get())));

[jdoerrie, 2017/04/12 12:37:46]

Consider using AppendString and removing the added #include.

[vabr (Chromium), 2017/04/12 12:55:04]

Done.

   }
   event_details.Set(syncer::sync_ui_util::kTypes, type_list.release());
   web_ui()->CallJavascriptFunction(