[Sync] Fix namespaces for the sync_sessions component.

chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc

Index: chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc b/chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc
index 7a0910f85842d5815c60db9a2bf9bcee82659989..cac5d567f87a97a157245d079367182a47363290 100644
--- a/chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_user_data_logger.cc
@@ -189,8 +189,8 @@ NTPUserDataLogger::NTPUserDataLogger(content::WebContents* contents)
     ProfileSyncService* sync = ProfileSyncServiceFactory::GetForProfile(
         Profile::FromBrowserContext(contents->GetBrowserContext()));
     if (sync) {
-      browser_sync::SessionsSyncManager* sessions =
-          static_cast<browser_sync::SessionsSyncManager*>(
+      sync_sessions::SessionsSyncManager* sessions =
+          static_cast<sync_sessions::SessionsSyncManager*>(
               sync->GetSessionsSyncableService());
       if (sessions) {
         sync_sessions::SyncSessionsMetrics::RecordYoungestForeignTabAgeOnNTP(