Register and select printer on click.

chrome/browser/chromeos/printing/printer_pref_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 13 matching lines @@
 class PrinterPrefManager : public KeyedService {
  public:
   explicit PrinterPrefManager(Profile* profile);
 
   // Register the printing preferences with the |registry|.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Returns the printers that are saved in preferences.
   std::vector<std::unique_ptr<Printer>> GetPrinters() const;
 
+  // Returns the printer with id |printer_id|.
+  std::unique_ptr<Printer> GetPrinter(const std::string& printer_id) const;
+
   // Adds or updates a printer. Printers are identified by the id field.  Use an
   // empty id to add a new printer.
   void RegisterPrinter(std::unique_ptr<Printer> printer);
 
   // Remove printer from preferences with the id |printer_id|.  Returns true if
   // the printer was successfully removed.
   bool RemovePrinter(const std::string& printer_id);
 
  private:
   Profile* profile_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_