MAGETWO-32559: Refactor Adminhtml/order directory

Author: Yuri Kovsher

app/code/Magento/Sales/Controller/Adminhtml/Order/CommentsHistory.php

@@ -16,13 +16,14 @@ class CommentsHistory extends \Magento\Sales\Controller\Adminhtml\Order
     public function execute()
     {
         $this->_initOrder();
-        $resultPage = $this->resultPageFactory->create();
-        $html = $resultPage->getLayout()->createBlock('Magento\Sales\Block\Adminhtml\Order\View\Tab\History')->toHtml();
+        $resultLayout = $this->resultLayoutFactory->create();
+        $html = $resultLayout->getLayout()
+            ->createBlock('Magento\Sales\Block\Adminhtml\Order\View\Tab\History')
+            ->toHtml();
         $this->_translateInline->processResponseBody($html);
         /** @var \Magento\Framework\Controller\Result\Raw $resultRaw */
         $resultRaw = $this->resultRawFactory->create();
         $resultRaw->setContents($html);
-
         return $resultRaw;
     }
 }

app/code/Magento/Sales/Controller/Adminhtml/Order/ExportCsv.php

@@ -20,7 +20,7 @@ public function execute()
     {
         $fileName = 'orders.csv';
         /** @var \Magento\Backend\Block\Widget\Grid\ExportInterface $exportBlock  */
-        $exportBlock = $this->resultLayoutFactory->create()
+        $exportBlock = $this->resultPageFactory->create()
             ->getLayout()
             ->getChildBlock('sales.order.grid', 'grid.export');
         return $this->_fileFactory->create($fileName, $exportBlock->getCsvFile(), DirectoryList::VAR_DIR);

app/code/Magento/Sales/Controller/Adminhtml/Order/ExportExcel.php

@@ -20,7 +20,7 @@ public function execute()
     {
         $fileName = 'orders.xml';
         /** @var \Magento\Backend\Block\Widget\Grid\ExportInterface $exportBlock  */
-        $exportBlock = $this->resultLayoutFactory->create()
+        $exportBlock = $this->resultPageFactory->create()
             ->getLayout()
             ->getChildBlock('sales.order.grid', 'grid.export');
         return $this->_fileFactory->create($fileName, $exportBlock->getExcelFile($fileName), DirectoryList::VAR_DIR);