Apps/Extensions Sync refactoring -- delete most of the old glue, implement new sync API.

chrome/browser/sync/glue/extension_util.h

-// Copyright (c) 2011 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 CHROME_BROWSER_SYNC_GLUE_EXTENSION_UTIL_H_
-#define CHROME_BROWSER_SYNC_GLUE_EXTENSION_UTIL_H_
-#pragma once
-
-// This file contains some low-level utility functions used by
-// extensions sync.
-
-#include <string>
-
-class Extension;
-struct ExtensionSyncData;
-
-namespace sync_pb {
-class ExtensionSpecifics;
-}  // sync_pb
-
-namespace browser_sync {
-
-// Returns whether or not the given extension is one we want to sync.
-bool IsExtensionValid(const Extension& extension);
-
-// Stringifies the given ExtensionSpecifics.
-std::string ExtensionSpecificsToString(
-    const sync_pb::ExtensionSpecifics& specifics);
-
-// Fills |sync_data| with the data from |specifics|.  Returns true iff
-// succesful.
-bool SpecificsToSyncData(
-    const sync_pb::ExtensionSpecifics& specifics,
-    ExtensionSyncData* sync_data);
-
-// Fills |specifics| with the data from |sync_data|.
-void SyncDataToSpecifics(
-    const ExtensionSyncData& sync_data,
-    sync_pb::ExtensionSpecifics* specifics);
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_EXTENSION_UTIL_H_