drive: Stop mentioning about symlinks

chrome/browser/chromeos/drive/file_cache.cc

 // Copyright (c) 2012 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/chromeos/drive/file_cache.h"
 
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 92 matching lines @@
 // deleted.
 void DeleteFilesSelectively(const base::FilePath& path_to_delete_pattern,
                             const base::FilePath& path_to_keep) {
   // Enumerate all files in directory of |path_to_delete_pattern| that match
   // base name of |path_to_delete_pattern|.
   // If a file is not |path_to_keep|, delete it.
   bool success = true;
   file_util::FileEnumerator enumerator(
       path_to_delete_pattern.DirName(),
       false,  // not recursive
-      file_util::FileEnumerator::FILES |
-      file_util::FileEnumerator::SHOW_SYM_LINKS,
+      file_util::FileEnumerator::FILES,
       path_to_delete_pattern.BaseName().value());
   for (base::FilePath current = enumerator.Next(); !current.empty();
        current = enumerator.Next()) {
     // If |path_to_keep| is not empty and same as current, don't delete it.
     if (!path_to_keep.empty() && current == path_to_keep)
       continue;
 
     success = file_util::Delete(current, false);
     if (!success)
       DVLOG(1) << "Error deleting " << current.value();
@@ skipping 992 matching lines @@
 }
 
 // static
 FileCache::CacheSubDirectoryType FileCache::GetSubDirectoryType(
     const FileCacheEntry& cache_entry) {
   return cache_entry.is_persistent() ? CACHE_TYPE_PERSISTENT : CACHE_TYPE_TMP;
 }
 
 }  // namespace internal
 }  // namespace drive