make "reload" on chrome://extensions automatically relaunch running apps

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 2f5be179ac381e983104d04e588e2949bc4892f4..6d5997cb576e81752782cf571cb7cb74fbc3e945 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -711,6 +711,11 @@ class ExtensionService
 
   NaClModuleInfoList::iterator FindNaClModule(const GURL& url);
 
+  // Enqueues a launch task in the lazy background page queue.
+  void QueueRestoreAppWindow(const extensions::Extension* extension);
+  // Launches the platform app associated with |extension_host|.
+  static void LaunchApplication(extensions::ExtensionHost* extension_host);
+
   // The normal profile associated with this ExtensionService.
   Profile* profile_;
 
@@ -783,6 +788,10 @@ class ExtensionService
   typedef std::map<std::string, int> OrphanedDevTools;
   OrphanedDevTools orphaned_dev_tools_;
 
+  // A set of apps that had an open window the last time they were reloaded.
+  // A new window will be launched when the app is succesfully reloaded.
+  std::set<std::string> relaunch_app_ids_;
+
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar pref_change_registrar_;