Trigger print immediately on selecting GCP escape hatch on Chrome OS

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 fc50be43f5ab56f6fce857282266503693a67f8a..12b192407a2c400e081c367c6abbca2017a6299d 100644
--- a/chrome/browser/resources/print_preview/print_preview.js
+++ b/chrome/browser/resources/print_preview/print_preview.js
@@ -272,6 +272,8 @@ function updateControlsWithSelectedPrinterCapabilities() {
         'printerColorModelForColor': print_preview.ColorSettings.COLOR,
         'printerDefaultDuplexValue': copiesSettings.UNKNOWN_DUPLEX_MODE,
         'disableCopiesOption': true});
+    if (cr.isChromeOS && selectedValue == PRINT_WITH_CLOUD_PRINT)
+      sendPrintDocumentRequest();
   } else {
     // This message will call back to 'updateWithPrinterCapabilities'
     // function.