Stackable file_util for FileAPIs. Sample code for discussion. Incomplete. Cannot be compiled.

webkit/fileapi/file_system_dir_url_request_job.cc

Index: webkit/fileapi/file_system_dir_url_request_job.cc
diff --git a/webkit/fileapi/file_system_dir_url_request_job.cc b/webkit/fileapi/file_system_dir_url_request_job.cc
index 73b1fa489abd643a6db0753424e8c5e69d504215..db931ccda8f43ddf1457f9a257e66a96206f4482 100644
--- a/webkit/fileapi/file_system_dir_url_request_job.cc
+++ b/webkit/fileapi/file_system_dir_url_request_job.cc
@@ -7,7 +7,6 @@
 #include <algorithm>
 
 #include "base/compiler_specific.h"
-#include "base/file_util_proxy.h"
 #include "base/message_loop.h"
 #include "base/platform_file.h"
 #include "base/sys_string_conversions.h"
@@ -19,6 +18,7 @@
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request.h"
+#include "webkit/fileapi/file_system_file_util_proxy.h"
 #include "webkit/fileapi/file_system_path_manager.h"
 #include "webkit/fileapi/file_system_util.h"
 
@@ -102,7 +102,9 @@ void FileSystemDirURLRequestJob::DidGetRootPath(bool success,
   // We assume it's a directory if we've gotten here: either the path
   // ends with '/', or FileSystemDirURLRequestJob already statted it and
   // found it to be a directory.
-  base::FileUtilProxy::ReadDirectory(file_thread_proxy_, absolute_dir_path_,
+  fileapi::FileSystemFileUtilProxy::ReadDirectory(
+      file_system_operation_context_.get(),
+      file_thread_proxy_, absolute_dir_path_,
       callback_factory_.NewCallback(
           &FileSystemDirURLRequestJob::DidReadDirectory));
 }