Add symbolic link support to FileSystemFileUtil::AbstractFileEnumerator.

base/file_util_win.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 "base/file_util.h"
 
 #include <windows.h>
 #include <propvarutil.h>
 #include <psapi.h>
 #include <shellapi.h>
@@ skipping 809 matching lines @@
 
 void FileEnumerator::GetFindInfo(FindInfo* info) {
   DCHECK(info);
 
   if (!has_find_data_)
     return;
 
   memcpy(info, &find_data_, sizeof(*info));
 }
 
+// static
 bool FileEnumerator::IsDirectory(const FindInfo& info) {
   return (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
 }
 
 // static
+bool FileEnumerator::IsLink(const FindInfo& info) {
+  return false;
+}
+
+// static
 FilePath FileEnumerator::GetFilename(const FindInfo& find_info) {
   return FilePath(find_info.cFileName);
 }
 
 // static
 int64 FileEnumerator::GetFilesize(const FindInfo& find_info) {
   ULARGE_INTEGER size;
   size.HighPart = find_info.nFileSizeHigh;
   size.LowPart = find_info.nFileSizeLow;
   DCHECK_LE(size.QuadPart, std::numeric_limits<int64>::max());
@@ skipping 259 matching lines @@
   HANDLE cp = GetCurrentProcess();
   if (::GetMappedFileNameW(cp, file_view, mapped_file_path, kMaxPathLength)) {
     *nt_path = FilePath(mapped_file_path);
     success = true;
   }
   ::UnmapViewOfFile(file_view);
   return success;
 }
 
 }  // namespace file_util