DNR Prototype: With flatbuffers

extensions/common/file_util.h

 // 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.
 
 #ifndef EXTENSIONS_COMMON_FILE_UTIL_H_
 #define EXTENSIONS_COMMON_FILE_UTIL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 53 matching lines @@
 std::unique_ptr<base::DictionaryValue> LoadManifest(
     const base::FilePath& extension_root,
     std::string* error);
 
 // Convenience overload for specifying a manifest filename.
 std::unique_ptr<base::DictionaryValue> LoadManifest(
     const base::FilePath& extension_root,
     const base::FilePath::CharType* manifest_filename,
     std::string* error);
 
+bool IndexAndPersistRulesetIfNeeded(const Extension* extension,
+                                    const base::FilePath& indexed_ruleset_path,
+                                    std::string* error);
+
 // Returns true if the given extension object is valid and consistent.
 // May also append a series of warning messages to |warnings|, but they
 // should not prevent the extension from running.
 //
 // Otherwise, returns false, and a description of the error is
 // returned in |error|.
 bool ValidateExtension(const Extension* extension,
                        std::string* error,
                        std::vector<InstallWarning>* warnings);
 
@@ skipping 60 matching lines @@
 // Contains at least the extension_id item.
 MessageBundle::SubstitutionMap* LoadMessageBundleSubstitutionMapFromPaths(
     const std::vector<base::FilePath>& paths,
     const std::string& extension_id,
     const std::string& default_locale);
 
 // Helper functions for getting paths for files used in content verification.
 base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path);
 base::FilePath GetComputedHashesPath(const base::FilePath& extension_path);
 
+// Helper function to get path where the indexed ruleset file used for the
+// Declarative Net Request API is stored.
+base::FilePath GetIndexedRulesetPath(const base::FilePath& extension_path);
 }  // namespace file_util
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_FILE_UTIL_H_