Add support for persistent file access in apps.

apps/app_restore_service.h

Index: apps/app_restore_service.h
diff --git a/apps/app_restore_service.h b/apps/app_restore_service.h
index 32c5738f3319d638e0591d89793b3c337a9a9d3c..9bd1f491693615f4c00d6cdc0de3ea3f285a174b 100644
--- a/apps/app_restore_service.h
+++ b/apps/app_restore_service.h
@@ -15,17 +15,10 @@
 
 namespace extensions {
 class Extension;
-
-namespace app_file_handler_util {
-struct SavedFileEntry;
-}
-
 }
 
 class Profile;
 
-using extensions::app_file_handler_util::SavedFileEntry;
-
 namespace apps {
 
 // Tracks what apps need to be restarted when the browser restarts.
@@ -61,9 +54,7 @@ class AppRestoreService : public ProfileKeyedService,
   void RecordAppStop(const std::string& extension_id);
   void RecordIfAppHasWindows(const std::string& id);
 
-  void RestoreApp(
-      const extensions::Extension* extension,
-      const std::vector<SavedFileEntry>& file_entries);
+  void RestoreApp(const extensions::Extension* extension);
 
   void StartObservingShellWindows();
   void StopObservingShellWindows();