Enable DVLOG on non official release build based on the parameter passed for InitLogging.

cloud_print/virtual_driver/posix/virtual_driver_posix.cc

 // Copyright (c) 2011 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 <cups/backend.h>
 
 #include "base/at_exit.h"
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 29 matching lines @@
   // CommandLine is only setup to enable logging, never used subseqeuently.
   CommandLine::Init(argc, argv);
   // Location for the log file.
   std::string log_location = "/var/log/GCP-Driver.log";
 
   // Set up logging.
   logging::InitLogging(log_location.c_str(),
              logging::LOG_ONLY_TO_FILE,
              logging::LOCK_LOG_FILE,
              logging::APPEND_TO_OLD_LOG_FILE,
-             logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+             logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS,
+             logging::DISABLE_DLOG_FOR_NON_OFFICIAL_RELEASE_BUILDS);
 
   // Temporary directory to hold the output file.
   FilePath temp_dir;
   // Strings to hold details of current job.
   std::string current_user;
   std::string set_var;
   std::string job_title;
   std::string job_id;
   std::string file_name;
   std::string print_ticket;
@@ skipping 32 matching lines @@
 
   // Change back to user to launch Chrome.
   printer_driver_util::SetUser(argv[2]);
   PLOG(ERROR) << print_ticket;
   // Launch Chrome and pass the print job onto Cloud Print.
   printer_driver_util::LaunchPrintDialog(output_path.value(), job_title,
                                          current_user, print_ticket);
 
   return 0;
 }