Use page result instead of rendering layout directly in controller actions

Author: schmengler

app/code/Magento/Backup/Controller/Adminhtml/Index/Grid.php

@@ -6,16 +6,17 @@
  */
 namespace Magento\Backup\Controller\Adminhtml\Index;
 
+use Magento\Framework\Controller\ResultFactory;
+
 class Grid extends \Magento\Backup\Controller\Adminhtml\Index
 {
     /**
      * Backup list action
      *
-     * @return void
+     * @return \Magento\Framework\Controller\ResultInterface
      */
     public function execute()
     {
-        $this->_view->loadLayout();
-        $this->_view->renderLayout();
+        return $this->resultFactory->create(ResultFactory::TYPE_PAGE);
     }
 }

app/code/Magento/CatalogSearch/Controller/Advanced/Index.php

@@ -6,14 +6,15 @@
  */
 namespace Magento\CatalogSearch\Controller\Advanced;
 
+use Magento\Framework\Controller\ResultFactory;
+
 class Index extends \Magento\Framework\App\Action\Action
 {
     /**
-     * @return void
+     * @return \Magento\Framework\Controller\ResultInterface
      */
     public function execute()
     {
-        $this->_view->loadLayout();
-        $this->_view->renderLayout();
+        return $this->resultFactory->create(ResultFactory::TYPE_PAGE);
     }
 }

app/code/Magento/Contact/Controller/Index/Index.php

@@ -6,16 +6,17 @@
  */
 namespace Magento\Contact\Controller\Index;
 
+use Magento\Framework\Controller\ResultFactory;
+
 class Index extends \Magento\Contact\Controller\Index
 {
     /**
      * Show Contact Us page
      *
-     * @return void
+     * @return \Magento\Framework\Controller\ResultInterface
      */
     public function execute()
     {
-        $this->_view->loadLayout();
-        $this->_view->renderLayout();
+        return $this->resultFactory->create(ResultFactory::TYPE_PAGE);
     }
 }

app/code/Magento/User/Controller/Adminhtml/User/Role/Editrolegrid.php

@@ -6,16 +6,17 @@
  */
 namespace Magento\User\Controller\Adminhtml\User\Role;
 
+use Magento\Framework\Controller\ResultFactory;
+
 class Editrolegrid extends \Magento\User\Controller\Adminhtml\User\Role
 {
     /**
      * Action for ajax request from assigned users grid
      *
-     * @return void
+     * @return \Magento\Framework\Controller\ResultInterface
      */
     public function execute()
     {
-        $this->_view->loadLayout();
-        $this->_view->renderLayout();
+        return $this->resultFactory->create(ResultFactory::TYPE_PAGE);
     }
 }