Add CupsFilter extraction from resolved ppds for printing.

chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h b/chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h
index 68f2cc1a225a4cc62d2024ed2ab4e966a60e5773..8ffd9556f8e5fe328c4196ea6909741dcc8b0cac 100644
--- a/chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h
+++ b/chrome/browser/ui/webui/settings/chromeos/cups_printers_handler.h
@@ -99,11 +99,6 @@ class CupsPrintersHandler : public ::settings::SettingsPageUIHandler,
                         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_;