Modify PrinterSetupResult enum to constant style.

chrome/browser/chromeos/printer_detector/cups_printer_detector.cc

Index: chrome/browser/chromeos/printer_detector/cups_printer_detector.cc
diff --git a/chrome/browser/chromeos/printer_detector/cups_printer_detector.cc b/chrome/browser/chromeos/printer_detector/cups_printer_detector.cc
index a8b1e8f106d0c9b7418344476ab2192aa19f4c9f..00168bbf5c0a15f542cb5780575548fd78036fde 100644
--- a/chrome/browser/chromeos/printer_detector/cups_printer_detector.cc
+++ b/chrome/browser/chromeos/printer_detector/cups_printer_detector.cc
@@ -250,7 +250,7 @@ class CupsPrinterDetectorImpl : public PrinterDetector,
   void SetUpPrinterDone(std::unique_ptr<SetUpPrinterData> data,
                         PrinterSetupResult result) {
     DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-    if (result == PrinterSetupResult::SUCCESS) {
+    if (result == PrinterSetupResult::kSuccess) {
       if (data->is_new) {
         // We aren't done with data->printer yet, so we have to copy it instead
         // of moving it.