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

chrome/browser/chromeos/printing/printer_pref_manager.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 <string>
 #include <utility>
 #include <vector>
@@ skipping 121 matching lines @@
   auto found = policy_printers.find(printer_id);
   if (found != policy_printers.end())
     return printing::RecommendedPrinterToPrinter(*(found->second));
 
   const base::ListValue* values = GetPrinterList(profile_);
   const base::DictionaryValue* printer = FindPrinterPref(values, printer_id);
 
   return printer ? printing::PrefToPrinter(*printer) : nullptr;
 }
 
+bool PrinterPrefManager::IsEnterprisePrinter(
+    const std::string& printer_id) const {
+  return std::find(recommended_printer_ids_.begin(),

[skau, 2017/01/10 19:55:52]

Use base::ContainsValue(), it's more straightforward.

+                   recommended_printer_ids_.end(),
+                   printer_id) != recommended_printer_ids_.end();
+}
+
 void PrinterPrefManager::RegisterPrinter(std::unique_ptr<Printer> printer) {
   if (printer->id().empty())
     printer->set_id(base::GenerateGUID());
 
   DCHECK_EQ(Printer::SRC_USER_PREFS, printer->source());
   std::unique_ptr<base::DictionaryValue> updated_printer =
       printing::PrinterToPref(*printer);
   UpdatePrinterPref(profile_, printer->id(), std::move(updated_printer));
 }
 
@@ skipping 38 matching lines @@
     // generated for user entries.
     std::string id = base::MD5String(printer_json);
     printer_dictionary->SetString(printing::kPrinterId, id);
 
     recommended_printer_ids_.push_back(id);
     recommended_printers_[id] = std::move(printer_dictionary);
   }
 }
 
 }  // namespace chromeos