Fix the print preview regression bug caused by r98926.

chrome/browser/resources/print_preview/print_preview.js

Index: chrome/browser/resources/print_preview/print_preview.js
diff --git a/chrome/browser/resources/print_preview/print_preview.js b/chrome/browser/resources/print_preview/print_preview.js
index c8fdcd657c0f8ca5e241ada807f9175c819cc328..83607c1a08542ac883b57553cabfef628146ceda 100644
--- a/chrome/browser/resources/print_preview/print_preview.js
+++ b/chrome/browser/resources/print_preview/print_preview.js
@@ -904,6 +904,9 @@ function onDidGetPreviewPageCount(pageCount, isModifiable, previewResponseId,
   pageSettings.updateState(pageCount);
   previewModifiable = isModifiable;
   document.title = localStrings.getStringF('printPreviewTitleFormat', jobTitle);
+  if (!previewModifiable && pageSettings.requestPrintPreviewIfNeeded())
+    return;
+
   cr.dispatchSimpleEvent(document, 'updateSummary');
 }