Set default sync notification method to "server".
Set default sync notification method to "server".

BUG=34647
TEST=manual

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=51494

Review URL: http://codereview.chromium.org/2822044

git-svn-id: http://src.chromium.org/svn/trunk/src@52023 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 69a89b890b375d9984948c7db6a572199f9a84cf
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