If possible, use the PathService instead of the --user-data-dir flag directly

chrome/service/cloud_print/cloud_print_proxy.cc

Index: chrome/service/cloud_print/cloud_print_proxy.cc
diff --git a/chrome/service/cloud_print/cloud_print_proxy.cc b/chrome/service/cloud_print/cloud_print_proxy.cc
index a98fecb4e5be00535e0fbadc089dfbf963b6ae31..8cfca63d4fde27c46291d9110f13fde2c12008db 100644
--- a/chrome/service/cloud_print/cloud_print_proxy.cc
+++ b/chrome/service/cloud_print/cloud_print_proxy.cc
@@ -34,6 +34,8 @@ void LaunchBrowserProcessWithSwitch(const std::string& switch_string) {
   }
   base::CommandLine cmd_line(exe_path);
 
+  // Propagate an explicit --user-data-dir value if one was given. The new
+  // browser process will pick up a policy override during initialization.
   const base::CommandLine& process_command_line =
       *base::CommandLine::ForCurrentProcess();
   base::FilePath user_data_dir =