Enable sandbox in local discovery utility process.

chrome/utility/chrome_content_utility_client.cc

 // 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.
 
 #include "chrome/utility/chrome_content_utility_client.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
@@ skipping 133 matching lines @@
   IPC_END_MESSAGE_MAP()
 
   for (Handlers::iterator it = handlers_.begin();
        !handled && it != handlers_.end(); ++it) {
     handled = (*it)->OnMessageReceived(message);
   }
 
   return handled;
 }
 
+void ChromeContentUtilityClient::PreSandboxStartup() {
+#if defined(ENABLE_MDNS)
+  local_discovery::ServiceDiscoveryMessageHandler::PreSandboxStartup();
+#endif  // ENABLE_MDNS
+}
+
 void ChromeContentUtilityClient::OnUnpackExtension(
     const base::FilePath& extension_path,
     const std::string& extension_id,
     int location,
     int creation_flags) {
   CHECK_GT(location, extensions::Manifest::INVALID_LOCATION);
   CHECK_LT(location, extensions::Manifest::NUM_LOCATIONS);
   extensions::PermissionsInfo::GetInstance()->InitializeWithDelegate(
       extensions::ChromeAPIPermissions());
   extensions::RegisterChromeManifestHandlers();
@@ skipping 388 matching lines @@
   bool parse_success = reader.Init();
   Send(new ChromeUtilityHostMsg_ParsePicasaPMPDatabase_Finished(
       parse_success,
       reader.albums(),
       reader.folders()));
   ReleaseProcessIfNeeded();
 }
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
 }  // namespace chrome