GitLab

BUG=81265
TEST=When setting up sync using the gaia-based web flow, the user should have
the option to configure sync before it starts.  The UX should be same as the
native ui flow.


Review URL: https://chromiumcodereview.appspot.com/11418200

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170999 0039d316-1c4b-4281-b951-d872f2087c98