Correct code for disconnecting network service monitor
Correct code for disconnecting network service monitor

BUG=chromium-os:19857
TEST=Test network menu, icons, settings page. Ensure information updates correctly when networks are disconnected, change signal strength, etc.

Review URL: http://codereview.chromium.org/7785019

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@99045 0039d316-1c4b-4281-b951-d872f2087c98

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