Convert active labs into switches earlier. This change enables to check active labs in InitializeNetworkOptions().
Convert active labs into switches earlier.
This change enables to check active labs in InitializeNetworkOptions().

BUG=42320
TEST=N/A


Review URL: http://codereview.chromium.org/6961015

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@86208 0039d316-1c4b-4281-b951-d872f2087c98

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