Fix signin issue.
Fix signin issue.

Now notify SyncSetupFlow that signin is complete before checking the
HasSyncSetupCompleted() flag. This keeps us from mistakenly cancelling
the signin process.

BUG=117018
TEST=sign in, make sure it works.


Review URL: http://codereview.chromium.org/9605035

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@125313 0039d316-1c4b-4281-b951-d872f2087c98

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