Revert 203873 "net_watcher does not build in Ubuntu 13.04"

trunk/src/net/tools/net_watcher/net_watcher.cc

Index: trunk/src/net/tools/net_watcher/net_watcher.cc
===================================================================
--- trunk/src/net/tools/net_watcher/net_watcher.cc	(revision 203884)
+++ trunk/src/net/tools/net_watcher/net_watcher.cc	(working copy)
@@ -134,12 +134,7 @@
 #if (defined(OS_LINUX) || defined(OS_OPENBSD)) && !defined(OS_CHROMEOS)
   // Needed so ProxyConfigServiceLinux can use gconf.
   // Normally handled by BrowserMainLoop::InitializeToolkit().
-  // From glib version 2.36 onwards, g_type_init is implicitly called and it is
-  // deprecated.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
   g_type_init();
-#pragma GCC diagnostic pop
 #endif
   base::AtExitManager exit_manager;
   CommandLine::Init(argc, argv);