Add CupsFilter extraction from resolved ppds for printing.

chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.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_UI_WEBUI_SETTINGS_CHROMEOS_CUPS_PRINTERS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CUPS_PRINTERS_HANDLER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 81 matching lines @@
 
   // Invokes debugd to add the printer to CUPS.  If |ipp_everywhere| is true,
   // automatic configuration will be attempted  and |ppd_path| is ignored.
   // |ppd_path| is the path to a Postscript Printer Description file that will
   // be used to configure the printer capabilities.  This file must be in
   // Downloads or the PPD Cache.
   void AddPrinterToCups(std::unique_ptr<Printer> printer,
                         const base::FilePath& ppd_path,
                         bool ipp_everywhere);
 
-  // Callback for PpdProvider::ResolveCallback.
-  void ResolvePpdDone(std::unique_ptr<Printer> printer,
-                      printing::PpdProvider::CallbackResultCode result,
-                      const std::string& ppd_contents);
-
   std::unique_ptr<chromeos::PrinterDiscoverer> printer_discoverer_;
   scoped_refptr<chromeos::printing::PpdProvider> ppd_provider_;
   std::unique_ptr<chromeos::PrinterConfigurer> printer_configurer_;
 
   Profile* profile_;
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
   std::string webui_callback_id_;
 
   base::WeakPtrFactory<CupsPrintersHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CupsPrintersHandler);
 };
 
 }  // namespace settings
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CUPS_PRINTERS_HANDLER_H_