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

webkit/fileapi/file_system_operation_context.cc

Index: webkit/fileapi/file_system_operation_context.cc
diff --git a/webkit/fileapi/file_system_operation_context.cc b/webkit/fileapi/file_system_operation_context.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cfb7cacf86c94e58c3872273c2e07965c05cedab
--- /dev/null
+++ b/webkit/fileapi/file_system_operation_context.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 2011 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 "webkit/fileapi/file_system_operation_context.h"
+
+namespace fileapi {
+
+FileSystemOperationContext::FileSystemOperationContext()
+    : allowed_growth_(0) {
+}
+
+FileSystemOperationContext::~FileSystemOperationContext() {
+}
+
+}  // namespace fileapi