[Sync] Migrate SyncInternalsMessageHandler off CallJavascriptFunctionUnsafe.

chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.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/feedback/system_logs/log_sources/chrome_internal_log_source.h"
 
+#include <memory>
+#include <string>
+
 #include "base/json/json_string_value_serializer.h"
 #include "base/strings/string_util.h"
 #include "base/sys_info.h"
 #include "base/task_scheduler/post_task.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/google/google_brand.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/channel_info.h"
@@ skipping 145 matching lines @@
 void ChromeInternalLogSource::PopulateSyncLogs(SystemLogsResponse* response) {
   // We are only interested in sync logs for the primary user profile.
   Profile* profile = ProfileManager::GetPrimaryUserProfile();
   if (!profile ||
       !ProfileSyncServiceFactory::GetInstance()->HasProfileSyncService(profile))
     return;
 
   browser_sync::ProfileSyncService* service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
   std::unique_ptr<base::DictionaryValue> sync_logs(
-      syncer::sync_ui_util::ConstructAboutInformation(
-          service, service->signin(), chrome::GetChannel()));
+      syncer::sync_ui_util::ConstructAboutInformation(service,
+                                                      chrome::GetChannel()));
 
   // Remove identity section.
   base::ListValue* details = NULL;
   sync_logs->GetList(syncer::sync_ui_util::kDetailsKey, &details);
   if (!details)
     return;
   for (base::ListValue::iterator it = details->begin();
       it != details->end(); ++it) {
     base::DictionaryValue* dict = NULL;
     if (it->GetAsDictionary(&dict)) {
@@ skipping 111 matching lines @@
 void ChromeInternalLogSource::PopulateInstallerBrandCode(
     SystemLogsResponse* response) {
   std::string brand;
   google_brand::GetBrand(&brand);
   response->emplace(kInstallerBrandCode,
                     brand.empty() ? "Unknown brand code" : brand);
 }
 #endif
 
 }  // namespace system_logs