Base: FileEnumerator should not follow reparse points.

base/files/file_enumerator_win.cc

Index: base/files/file_enumerator_win.cc
diff --git a/base/files/file_enumerator_win.cc b/base/files/file_enumerator_win.cc
index 64c98455ce505d5f7fd46be4c1188efd0c0b639c..e47f5421a711b7ef1dea22cc0590cceb578216ab 100644
--- a/base/files/file_enumerator_win.cc
+++ b/base/files/file_enumerator_win.cc
@@ -133,8 +133,10 @@ FilePath FileEnumerator::Next() {
       if (recursive_) {
         // If |cur_file| is a directory, and we are doing recursive searching,
         // add it to pending_paths_ so we scan it after we finish scanning this
-        // directory.
-        pending_paths_.push(cur_file);
+        // directory. However, don't do recursion through reparse points or we
+        // may end up with an infinite cycle.
+        if (!(find_data_.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
+          pending_paths_.push(cur_file);
       }
       if (file_type_ & FileEnumerator::DIRECTORIES)
         return cur_file;