Ensure that SDCH is initialized at all times.
Ensure that SDCH is initialized at all times.

There is an active A/B experiment to test the impact of SDCH support.
This change correctly toggles support by simulating the command line
flag, rather than incorrectly avoiding initialization of the module.

BUG=16274
r=huanr
Review URL: http://codereview.chromium.org/155277

git-svn-id: http://src.chromium.org/svn/trunk/src@20270 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b36671a6d1668fd8fb59b89fd45f88a7224e79b9
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