Be explicit about target type in platform_util::OpenItem()

chrome/browser/extensions/api/downloads/downloads_api.cc

Index: chrome/browser/extensions/api/downloads/downloads_api.cc
diff --git a/chrome/browser/extensions/api/downloads/downloads_api.cc b/chrome/browser/extensions/api/downloads/downloads_api.cc
index ae841dcf5c0e2acbdc5f5e65dc90c3ee02b2094a..255789fbaa29a2e129762e0e7626e4a7acdd0033 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -1330,9 +1330,9 @@ bool DownloadsShowDefaultFolderFunction::RunAsync() {
   DownloadManager* manager = NULL;
   DownloadManager* incognito_manager = NULL;
   GetManagers(GetProfile(), include_incognito(), &manager, &incognito_manager);
-  platform_util::OpenItem(
-      GetProfile(),
-      DownloadPrefs::FromDownloadManager(manager)->DownloadPath());
+  platform_util::OpenFolder(
+      GetProfile(), DownloadPrefs::FromDownloadManager(manager)->DownloadPath(),
+      platform_util::OpenOperationCallback());
   RecordApiFunctions(DOWNLOADS_FUNCTION_SHOW_DEFAULT_FOLDER);
   return true;
 }