Implement basic USB setup in the cups printer detector. Factor out

chrome/browser/chromeos/printing/printer_configurer.cc

 // Copyright 2017 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/printing/printer_configurer.h"
 
 #include <memory>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 49 matching lines @@
                    weak_factory_.GetWeakPtr(), callback));
   }
 
  private:
   void OnAddedPrinter(const Printer& printer,
                       const PrinterSetupCallback& cb,
                       int32_t result_code) {
     // It's expected that debug daemon posts callbacks on the UI thread.
     DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
-    SetupResult result = UNKNOWN;
+    PrinterSetupResult result = UNKNOWN;
     switch (result_code) {
       case 0:
         result = SUCCESS;
         break;
       default:
         // TODO(skau): Fill out with more granular errors.
         result = FATAL_ERROR;
         break;
     }
 
     cb.Run(result);
   }
 
   void OnDbusError(const PrinterSetupCallback& cb) {
     // The callback is expected to run on the UI thread.
     DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
     LOG(WARNING) << "Could not contact debugd";
-    cb.Run(SetupResult::DBUS_ERROR);
+    cb.Run(PrinterSetupResult::DBUS_ERROR);
   }
 
   void AddPrinter(const Printer& printer,
                   const std::string& ppd_contents,
                   const PrinterSetupCallback& cb) {
     auto* client = chromeos::DBusThreadManager::Get()->GetDebugDaemonClient();
 
     client->CupsAddManuallyConfiguredPrinter(
         printer.id(), printer.uri(), ppd_contents,
         base::Bind(&PrinterConfigurerImpl::OnAddedPrinter,
@@ skipping 29 matching lines @@
 };
 
 }  // namespace
 
 // static
 std::unique_ptr<PrinterConfigurer> PrinterConfigurer::Create(Profile* profile) {
   return base::MakeUnique<PrinterConfigurerImpl>(profile);
 }
 
 }  // namespace chromeos