Sync typed urls with typed_cont() == 0
When the user types "google.com" into the address bar, the server will
redirect him to "www.google.com" (or a regional equivalent). The redirected
URL will have PAGE_TRANSITION_TYPED but typed_count() == 0. We still want
to Sync such URL, otherwise the receiving client will only see "google.com"
with PAGE_TRANSITION_CHAIN_START and without the matching _CHAIN_END.
Additionally, the history view won't show that "google.com" URL because
VisitDatabase::GetVisibleVisitsInRange filters out results that don't
match PAGE_TRANSITION_CHAIN_END.
BUG=
Review URL: https://codereview.chromium.org/1087773002
Cr-Commit-Position: refs/heads/master@{#325990}
4 files changed
