Try to speed up SimpleCache index re-sync on Windows.

net/disk_cache/simple/simple_index_file_win.cc

Index: net/disk_cache/simple/simple_index_file_win.cc
diff --git a/net/disk_cache/simple/simple_index_file_win.cc b/net/disk_cache/simple/simple_index_file_win.cc
index 051d12deaf7208c173b0fcaac0849c8f646e402f..213dbc693619bccb6acf77a649710ef5205815a1 100644
--- a/net/disk_cache/simple/simple_index_file_win.cc
+++ b/net/disk_cache/simple/simple_index_file_win.cc
@@ -25,7 +25,9 @@ bool SimpleIndexFile::TraverseCacheDirectory(
        file_path = enumerator.Next()) {
     if (file_path == current_directory || file_path == parent_directory)
       continue;
-    entry_file_callback.Run(file_path);
+    base::FileEnumerator::FileInfo info = enumerator.GetInfo();
+    entry_file_callback.Run(file_path, base::Time(), info.GetLastModifiedTime(),
+                            info.GetSize());
   }
   return true;
 }