Migrates legacy packaged app data when it's upgraded to a platform app

chrome/browser/extensions/extension_service.h

 // Copyright (c) 2012 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_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 543 matching lines @@
   // Helper to determine if updating an extensions should proceed immediately,
   // or if we should delay the update until further notice.
   bool ShouldDelayExtensionUpdate(const std::string& extension_id,
                                   bool install_immediately) const;
 
   // Manages the blacklisted extensions, intended as callback from
   // Blacklist::GetBlacklistedIDs.
   void ManageBlacklist(
       const extensions::Blacklist::BlacklistStateMap& blacklisted_ids);
 
+  bool NeedsMigration(const extensions::Extension* extension);
+
+  void MigrateThenFinishInstallation(const extensions::Extension* extension,
+                                     bool was_ephemeral);
+
   // Add extensions in |blocked| to blacklisted_extensions, remove extensions
   // that are neither in |blocked|, nor in |unchanged|.
   void UpdateBlockedExtensions(const extensions::ExtensionIdSet& blocked,
                                const extensions::ExtensionIdSet& unchanged);
 
   void UpdateGreylistedExtensions(
       const extensions::ExtensionIdSet& greylist,
       const extensions::ExtensionIdSet& unchanged,
       const extensions::Blacklist::BlacklistStateMap& state_map);
 
@@ skipping 159 matching lines @@
                            GreylistedExtensionDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistDontEnableManuallyDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistUnknownDontChange);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_