Revert 204313 "net_watcher does not build in Ubuntu 13.04"
broke compile on Google Chrome Linux bot:
../../net/tools/net_watcher/net_watcher.cc:133:error: expected [error|warning|ignored] after '#pragma GCC diagnostic'
../../net/tools/net_watcher/net_watcher.cc:207:error: expected [error|warning|ignored] after '#pragma GCC diagnostic'
> net_watcher does not build in Ubuntu 13.04
>
> This is due to a deprecation warning in glib, which affects glib 2.36 onward. Added a pragma to suppress deprecation warnings.
> BUG=245658
>
> Review URL: https://chromiumcodereview.appspot.com/
15994010
TBR=yael.aharon@intel.com
Review URL: https://codereview.chromium.org/
16404004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204338 0039d316-1c4b-4281-b951-d872f2087c98