Added extra checks to ensure that other networks are not interfering with restricted pool detection while activating cellular device.
Added extra checks to ensure that other networks are not interfering with restricted pool detection while activating cellular device.

BUG=chromium-os:9358
TEST=none

Review URL: http://codereview.chromium.org/5100006

git-svn-id: http://src.chromium.org/svn/trunk/src@66723 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 70ddd6ee86dfe1e14864d714006ae35d1e2ac76c
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser