Add enable-app-shims to chrome://flags.

chrome/browser/ui/webui/ntp/app_launcher_handler.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/ui/webui/ntp/app_launcher_handler.h"
 
 #include <vector>
 
 #include "apps/pref_names.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_sorting.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/management_policy.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/favicon/favicon_types.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/common/web_application_info.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/common/favicon_url.h"
@@ skipping 268 matching lines @@
        it != visible_apps_.end(); ++it) {
     const Extension* extension = extension_service_->GetInstalledExtension(*it);
     if (extension && ShouldDisplayInNewTabPage(extension, prefs)) {
       DictionaryValue* app_info = GetAppInfo(extension);
       list->Append(app_info);
     }
   }
 
   dictionary->Set("apps", list);
 
-  // TODO(estade): remove these settings when the old NTP is removed. The new
-  // NTP does it in js.
 #if defined(OS_MACOSX)
-  // App windows are not yet implemented on mac.
-  dictionary->SetBoolean("disableAppWindowLaunch", true);
-  dictionary->SetBoolean("disableCreateAppShortcut", true);
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableAppShims))
+    dictionary->SetBoolean("disableCreateAppShortcut", true);
 #endif
 
 #if defined(OS_CHROMEOS)
   // Making shortcut does not make sense on ChromeOS because it does not have
   // a desktop.
   dictionary->SetBoolean("disableCreateAppShortcut", true);
 #endif
 
   const ListValue* app_page_names = prefs->GetList(prefs::kNtpAppPageNames);
   if (!app_page_names || !app_page_names->GetSize()) {
@@ skipping 518 matching lines @@
 ExtensionUninstallDialog* AppLauncherHandler::GetExtensionUninstallDialog() {
   if (!extension_uninstall_dialog_.get()) {
     Browser* browser = chrome::FindBrowserWithWebContents(
         web_ui()->GetWebContents());
     extension_uninstall_dialog_.reset(
         ExtensionUninstallDialog::Create(extension_service_->profile(),
                                          browser, this));
   }
   return extension_uninstall_dialog_.get();
 }