Give an app the file entries it had back on restart.

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 f12d92b7dfdbfe84ba8f90cd69bdb730795788b7..0b869e3498a891d3ac7e8ae0613401fc08255ccb 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -791,7 +791,10 @@ class ExtensionService
 
   // Dispatches a restart event to the platform app associated with
   // |extension_host|.
-  static void RestartApplication(extensions::ExtensionHost* extension_host);
+  static void RestartApplication(
+      std::vector<extensions::app_file_handler_util::SavedFileEntry>
+          file_entries,
+      extensions::ExtensionHost* extension_host);
 
   // Helper to inspect an ExtensionHost after it has been loaded.
   void InspectExtensionHost(extensions::ExtensionHost* host);
@@ -919,6 +922,13 @@ class ExtensionService
   // dispatched to the extension when it is loaded.
   std::map<std::string, int> on_load_events_;
 
+  // Maps extension ids to vectors of saved file entries that the extension
+  // should be given access to on restart.
+  typedef std::map<std::string,
+      std::vector<extensions::app_file_handler_util::SavedFileEntry> >
+          SavedFileEntryMap;
+  SavedFileEntryMap on_restart_file_entries_;
+
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar pref_change_registrar_;