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

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 556adb0025afdec9c42b162005a9cf4879179df8..9f8f185ebcf8c097af3f142343787bdd63f41061 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -561,6 +561,11 @@ class ExtensionService
   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,