Add CupsFilter extraction from resolved ppds for printing.

chrome/browser/chromeos/printing/printer_configurer.cc

 // Copyright 2017 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_configurer.h"
 
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/chromeos/printing/ppd_provider_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/debug_daemon_client.h"
@@ skipping 93 matching lines @@
         printer.id(), printer.uri(), ppd_contents,
         base::Bind(&PrinterConfigurerImpl::OnAddedPrinter,
                    weak_factory_.GetWeakPtr(), printer, cb),
         base::Bind(&PrinterConfigurerImpl::OnDbusError,
                    weak_factory_.GetWeakPtr(), cb));
   }
 
   void ResolvePpdDone(const Printer& printer,
                       const PrinterSetupCallback& cb,
                       printing::PpdProvider::CallbackResultCode result,
-                      const std::string& ppd_contents) {
+                      const std::string& ppd_contents,
+                      const std::vector<std::string>& ppd_filters) {
+    // TODO(justincarlson) - Use ppd_filters to invoke cups components downloads
+    // if needed.
     DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
     switch (result) {
       case chromeos::printing::PpdProvider::SUCCESS:
         DCHECK(!ppd_contents.empty());
         AddPrinter(printer, ppd_contents, cb);
         break;
       case printing::PpdProvider::CallbackResultCode::NOT_FOUND:
         cb.Run(PPD_NOT_FOUND);
         break;
       case printing::PpdProvider::CallbackResultCode::SERVER_ERROR:
@@ skipping 11 matching lines @@
 };
 
 }  // namespace
 
 // static
 std::unique_ptr<PrinterConfigurer> PrinterConfigurer::Create(Profile* profile) {
   return base::MakeUnique<PrinterConfigurerImpl>(profile);
 }
 
 }  // namespace chromeos