Utilize EditCommand::setEndingSelection() taking SelectionInDOMTree
This patch changes call sites of |EditCommand::setEndingSelection()| passing
|VisibleSelection| to |SeelctionInDOMTree| to reduce usage of |VisibleSelection|
and reduce update layout tree and as a preparation of introducing
|SelecitonForUndoStep|,
http://crrev.com/2457523004, for farther reduce of
update layout calls.
BUG=
657237
TEST=n/a; no behavior changes
Committed:
https://crrev.com/e3d2a5b25ef09f4c8458db05080e604efae9c1aa
Cr-Commit-Position: refs/heads/master@{#428305}