Add symbolic link support to FileSystemFileUtil::AbstractFileEnumerator.

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 7a31d1663bb2366cbc983c8efec57bbc8309c032..db21d322d157cd46876d7a7863bda5d5462ae2ce 100644
--- a/base/file_util_win.cc
+++ b/base/file_util_win.cc
@@ -827,11 +827,17 @@ void FileEnumerator::GetFindInfo(FindInfo* info) {
   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);
 }