Do not specify SHCNF_FLUSHNOWAIT on SHChangeNotify after updating shortcuts.

base/file_util_win.cc

Index: base/file_util_win.cc
diff --git a/base/file_util_win.cc b/base/file_util_win.cc
index bbd668096c4b97daf64edd53e93dd29e71eb75f0..bf9dd9cb7046b2f58ce05b3215b2180afc394240 100644
--- a/base/file_util_win.cc
+++ b/base/file_util_win.cc
@@ -438,8 +438,7 @@ bool CreateOrUpdateShortcutLink(const wchar_t *source,
     i_persist_file.Release();
     i_shell_link.Release();
 
-    SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST | SHCNF_FLUSHNOWAIT,
-                   NULL, NULL);
+    SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
   }
 
   return SUCCEEDED(result);