1 files changed, 20 insertions, 0 deletions
diff --git a/chromium/webkit/browser/blob/file_stream_reader.cc b/chromium/webkit/browser/blob/file_stream_reader.cc
new file mode 100644
index 00000000000..6b66478de89
--- /dev/null
+++ b/chromium/webkit/browser/blob/file_stream_reader.cc
@@ -0,0 +1,20 @@
+// Copyright 2014 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/browser/blob/file_stream_reader.h"
+
+#include "base/time/time.h"
+
+namespace webkit_blob {
+
+// Verify if the underlying file has not been modified.
+bool FileStreamReader::VerifySnapshotTime(
+    const base::Time& expected_modification_time,
+    const base::File::Info& file_info) {
+  return expected_modification_time.is_null() ||
+         expected_modification_time.ToTimeT() ==
+             file_info.last_modified.ToTimeT();
+}
+
+}  // namespace webkit_blob