[CUPS] Implement the enterprise icon for printers in Print Preview Dialog.

chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc

 // Copyright 2016 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_pref_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 29 matching lines @@
   content::TestBrowserThreadBundle thread_bundle;
   auto profile = base::MakeUnique<TestingProfile>();
   PrinterPrefManager* manager =
       PrinterPrefManagerFactory::GetForBrowserContext(profile.get());
 
   manager->RegisterPrinter(base::MakeUnique<Printer>(kPrinterId));
 
   auto printers = manager->GetPrinters();
   ASSERT_EQ(1U, printers.size());
   EXPECT_EQ(kPrinterId, printers[0]->id());
+  EXPECT_EQ(Printer::Source::SRC_USER_PREFS, printers[0]->source());
 }
 
 TEST(PrinterPrefManagerTest, UpdatePrinterAssignsId) {
   content::TestBrowserThreadBundle thread_bundle;
   auto profile = base::MakeUnique<TestingProfile>();
   PrinterPrefManager* manager =
       PrinterPrefManagerFactory::GetForBrowserContext(profile.get());
 
   manager->RegisterPrinter(base::MakeUnique<Printer>());
 
@@ skipping 65 matching lines @@
   // TestingPrefSyncableService assumes ownership of |value|.
   prefs->SetManagedPref(prefs::kRecommendedNativePrinters, value.release());
 
   PrinterPrefManager* manager =
       PrinterPrefManagerFactory::GetForBrowserContext(&profile);
 
   auto printers = manager->GetRecommendedPrinters();
   ASSERT_EQ(2U, printers.size());
   EXPECT_EQ("Color Laser", printers[0]->display_name());
   EXPECT_EQ("ipp://192.168.1.5", printers[1]->uri());
+  EXPECT_EQ(Printer::Source::SRC_POLICY, printers[1]->source());
 }
 
 TEST(PrinterPrefManagerTest, GetRecommendedPrinter) {
   content::TestBrowserThreadBundle thread_bundle;
 
   std::string printer = kLexJson;
   auto value = base::MakeUnique<base::ListValue>();
   value->AppendString(printer);
 
   TestingProfile profile;
   sync_preferences::TestingPrefServiceSyncable* prefs =
       profile.GetTestingPrefService();
   // TestingPrefSyncableService assumes ownership of |value|.
   prefs->SetManagedPref(prefs::kRecommendedNativePrinters, value.release());
 
   PrinterPrefManager* manager =
       PrinterPrefManagerFactory::GetForBrowserContext(&profile);
 
   auto printers = manager->GetRecommendedPrinters();
 
   const Printer& from_list = *(printers.front());
   std::unique_ptr<Printer> retrieved = manager->GetPrinter(from_list.id());
 
   EXPECT_EQ(from_list.id(), retrieved->id());
   EXPECT_EQ("LexaPrint", from_list.display_name());
   EXPECT_EQ(Printer::Source::SRC_POLICY, from_list.source());
 }
 
 }  // namespace chromeos