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

chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc

Index: chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc
diff --git a/chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc b/chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc
index 4b02a7451869dc38c7fd5706232b1a71a936a940..11ec115b51de8dd4699048f32cb85496bbc2d952 100644
--- a/chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc
+++ b/chrome/browser/chromeos/printing/printer_pref_manager_unittest.cc
@@ -47,6 +47,7 @@ TEST(PrinterPrefManagerTest, AddPrinter) {
   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) {
@@ -132,6 +133,7 @@ TEST(PrinterPrefManagerTest, RecommendedPrinters) {
   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) {