Do not call stat() when reading directories via File API.

storage/browser/fileapi/file_system_dir_url_request_job.h

Index: storage/browser/fileapi/file_system_dir_url_request_job.h
diff --git a/storage/browser/fileapi/file_system_dir_url_request_job.h b/storage/browser/fileapi/file_system_dir_url_request_job.h
index 8715c96b0c74eaea2d32cc6254d11ad8679faaed..592805c66ca990fd3fbefb9d4b09338b6ecc8657 100644
--- a/storage/browser/fileapi/file_system_dir_url_request_job.h
+++ b/storage/browser/fileapi/file_system_dir_url_request_job.h
@@ -52,6 +52,14 @@ class STORAGE_EXPORT_PRIVATE FileSystemDirURLRequestJob
                         const std::vector<DirectoryEntry>& entries,
                         bool has_more);
 
+  // Reads metadata for the |index|-th entry in the directory. Must be called
+  // after |entries_| is filled.
+  void GetMetadata(size_t index);
+  void DidGetMetadata(size_t index,
+                      base::File::Error result,
+                      const base::File::Info& file_info);
+
+  std::vector<DirectoryEntry> entries_;
   std::string data_;
   FileSystemURL url_;
   const std::string storage_domain_;