Check Firewall state only initializing mDns from PrintPreview.

chrome/browser/ui/webui/print_preview/print_preview_handler.h

 // Copyright (c) 2012 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_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 238 matching lines @@
                               base::string16* title) const;
 
 #if defined(USE_CUPS)
   void SaveCUPSColorSetting(const base::DictionaryValue* settings);
 
   void ConvertColorSettingToCUPSColorModel(
       base::DictionaryValue* settings) const;
 #endif
 
 #if defined(ENABLE_SERVICE_DISCOVERY)
+  void StartPrivetLister(
+      scoped_refptr<local_discovery::ServiceDiscoverySharedClient> client);
   void OnPrivetCapabilities(const base::DictionaryValue* capabilities);
   void PrivetCapabilitiesUpdateClient(
       scoped_ptr<local_discovery::PrivetHTTPClient> http_client);
   void PrivetLocalPrintUpdateClient(
       std::string print_ticket,
       std::string capabilities,
       gfx::Size page_size,
       scoped_ptr<local_discovery::PrivetHTTPClient> http_client);
   bool PrivetUpdateClient(
       scoped_ptr<local_discovery::PrivetHTTPClient> http_client);
@@ skipping 67 matching lines @@
   base::WeakPtrFactory<PrintPreviewHandler> weak_factory_;
 
   // Notifies tests that want to know if the PDF has been saved. This doesn't
   // notify the test if it was a successful save, only that it was attempted.
   base::Closure pdf_file_saved_closure_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_