1 files changed, 6 insertions, 0 deletions
diff --git a/chromium/webkit/browser/blob/file_stream_reader.h b/chromium/webkit/browser/blob/file_stream_reader.h
index d60dfdbd91c..832c5d5dc66 100644
--- a/chromium/webkit/browser/blob/file_stream_reader.h
+++ b/chromium/webkit/browser/blob/file_stream_reader.h
@@ -7,6 +7,7 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/files/file.h"
 #include "net/base/completion_callback.h"
 #include "webkit/browser/webkit_storage_browser_export.h"
 
@@ -56,6 +57,11 @@ class FileStreamReader {
                               int64 initial_offset,
                               const base::Time& expected_modification_time);
 
+  // Verify if the underlying file has not been modified.
+  WEBKIT_STORAGE_BROWSER_EXPORT static bool VerifySnapshotTime(
+      const base::Time& expected_modification_time,
+      const base::File::Info& file_info);
+
   // It is valid to delete the reader at any time.  If the stream is deleted
   // while it has a pending read, its callback will not be called.
   virtual ~FileStreamReader() {}