ntp4: remove apps promo 'no, thanks' link.

chrome/browser/ui/webui/ntp/app_launcher_handler.cc

 // Copyright (c) 2011 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 <string>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 574 matching lines @@
     ExtensionDialogAccepted();
   } else {
     GetExtensionUninstallDialog()->ConfirmUninstall(this, extension);
   }
 }
 
 void AppLauncherHandler::HandleHideAppsPromo(const ListValue* args) {
   // If the user has intentionally hidden the promotion, we'll uninstall all the
   // default apps (we know the user hasn't installed any apps on their own at
   // this point, or the promotion wouldn't have been shown).
+  // TODO(estade): this isn't used right now as we sort out the future of the
+  // apps promo on ntp4.
   if (NewTabUI::Ntp4Enabled()) {
     UninstallDefaultApps();
     extension_service_->apps_promo()->HidePromo();
   } else {
     // TODO(estade): remove all this. NTP3 uninstalled all the default apps then
     // refreshed the entire NTP, we don't have to jump through these hoops for
     // NTP4 because each app uninstall is handled separately without reloading
     // the entire page.
     ignore_changes_ = true;
     UninstallDefaultApps();
@@ skipping 304 matching lines @@
 
 void AppLauncherHandler::UninstallDefaultApps() {
   AppsPromo* apps_promo = extension_service_->apps_promo();
   const ExtensionIdSet& app_ids = apps_promo->old_default_apps();
   for (ExtensionIdSet::const_iterator iter = app_ids.begin();
        iter != app_ids.end(); ++iter) {
     if (extension_service_->GetExtensionById(*iter, true))
       extension_service_->UninstallExtension(*iter, false, NULL);
   }
 }