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

chrome/browser/ui/webui/print_preview/printer_backend_proxy_chromeos.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/ui/webui/print_preview/printer_backend_proxy.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/bind_helpers.h"
@@ skipping 25 matching lines @@
 // Store the name used in CUPS, Printer#id in |printer_name|, the description
 // as the system_driverinfo option value, and the Printer#display_name in
 // the |printer_description| field.  This will match how Mac OS X presents
 // printer information.
 printing::PrinterBasicInfo ToBasicInfo(const chromeos::Printer& printer) {
   PrinterBasicInfo basic_info;
 
   // TODO(skau): Unify Mac with the other platforms for display name
   // presentation so I can remove this strange code.
   basic_info.options[kDriverInfoTagName] = printer.description();
+  basic_info.options[kCUPSEnterprisePrinter] =
+      (printer.source() == chromeos::Printer::SRC_POLICY) ? kValueTrue
+                                                          : kValueFalse;
   basic_info.printer_name = printer.id();
   basic_info.printer_description = printer.display_name();
   return basic_info;
 }
 
 void AddPrintersToList(
     const std::vector<std::unique_ptr<chromeos::Printer>>& printers,
     PrinterList* list) {
   for (const auto& printer : printers) {
     list->push_back(ToBasicInfo(*printer));
@@ skipping 160 matching lines @@
 };
 
 }  // namespace
 
 std::unique_ptr<PrinterBackendProxy> PrinterBackendProxy::Create(
     Profile* profile) {
   return base::MakeUnique<PrinterBackendProxyChromeos>(profile);
 }
 
 }  // namespace printing