Revert 241620 "Suppress uninitialized read in net::NetworkChange..."
Uninitialized read was fixed in r241862 and merged in r243089.

> Suppress uninitialized read in net::NetworkChangeNotifierWin::NetworkChangeNotifierWin due to incorrect initialization order
> 
> BUG=329590
> TBR=pauljensen@chromium.org
> 
> Review URL: https://codereview.chromium.org/118503002

TBR=bruening@google.com

Review URL: https://codereview.chromium.org/121603003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243092 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243092