Move storage-related files from webkit/ to new top-level directory storage/

webkit/browser/blob/file_stream_reader.cc

-// 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