Enable Native CUPS printing on Chrome OS.

chrome/browser/chromeos/printer_detector/printer_detector_factory.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/printer_detector/printer_detector_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chromeos/printer_detector/printer_detector.h"
 #include "chrome/browser/chromeos/printing/printers_manager_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 28 matching lines @@
       extensions::ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
   DependsOn(PrintersManagerFactory::GetInstance());
 }
 
 PrinterDetectorFactory::~PrinterDetectorFactory() {
 }
 
 KeyedService* PrinterDetectorFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          ::switches::kEnableNativeCups)) {
-    return PrinterDetector::CreateCups(Profile::FromBrowserContext(context))
-        .release();
-  } else {
+          ::switches::kDisableNativeCups)) {
     return PrinterDetector::CreateLegacy(Profile::FromBrowserContext(context))
         .release();
   }
+
+  return PrinterDetector::CreateCups(Profile::FromBrowserContext(context))
+      .release();
 }
 
 bool PrinterDetectorFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 bool PrinterDetectorFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 }  // namespace chromeos