GitLab

Remove remaining global javascript functions from the print preview
native layer and convert to sendWithPromise and web UI events.

BUG=717296
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2969383003
Cr-Commit-Position: refs/heads/master@{#485430}