Send onLaunched to apps that don't listen to onRestarted.

chrome/browser/extensions/platform_app_launcher.cc

 // 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.
 
 #include "chrome/browser/extensions/platform_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/app_runtime/app_runtime_api.h"
 #include "chrome/browser/extensions/api/file_handlers/app_file_handler_util.h"
 #include "chrome/browser/extensions/api/file_system/file_system_api.h"
+#include "chrome/browser/extensions/event_names.h"
+#include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/lazy_background_task_queue.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/extensions/app_metro_infobar_delegate_win.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
@@ skipping 381 matching lines @@
                                       const base::FilePath& file_path) {
   scoped_refptr<PlatformAppPathLauncher> launcher =
       new PlatformAppPathLauncher(profile, extension, file_path);
   launcher->LaunchWithHandler(handler_id);
 }
 
 void RestartPlatformAppWithFileEntries(
     Profile* profile,
     const Extension* extension,
     const std::vector<SavedFileEntry>& file_entries) {
-  scoped_refptr<SavedFileEntryLauncher> launcher = new SavedFileEntryLauncher(
-      profile, extension, file_entries);
-  launcher->Launch();
+  bool listening_to_restart = ExtensionSystem::Get(profile)->event_router()->
+      ExtensionHasEventListener(extension->id(),
+                                event_names::kOnRestarted);
+
+  if (listening_to_restart) {
+    scoped_refptr<SavedFileEntryLauncher> launcher = new SavedFileEntryLauncher(
+        profile, extension, file_entries);
+    launcher->Launch();
+  } else {
+    LaunchPlatformAppWithNoData(profile, extension);
+  }
 }
 
 }  // namespace extensions