A bunch of remaining parts of extension content verification (Reland)

extensions/common/file_util.cc

 // Copyright 2013 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 "extensions/common/file_util.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 419 matching lines @@
   }
 
   // Add @@extension_id reserved message here, so it's available to
   // non-localized extensions too.
   return_value->insert(
       std::make_pair(MessageBundle::kExtensionIdKey, extension_id));
 
   return return_value;
 }
 
+base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path) {
+  return extension_path.Append(kMetadataFolder)
+      .Append(kVerifiedContentsFilename);
+}
+base::FilePath GetComputedHashesPath(const base::FilePath& extension_path) {
+  return extension_path.Append(kMetadataFolder).Append(kComputedHashesFilename);
+}
+
 }  // namespace file_util
 }  // namespace extensions