MD Bookmarks: Add 'Open' command, to open in either the BMM or in new tabs
This command is triggered by double clicking selected items, or by
pressing Enter (non-Mac) or Meta-Down (Mac).
If a single folder is selected, the command will open that folder in the
bookmark manager. Otherwise, it will open all selected bookmarks in
foreground tabs.
BUG=692837
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
Review-Url: https://codereview.chromium.org/2872163002
Cr-Commit-Position: refs/heads/master@{#473180}
10 files changed
