The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3b996178c7f3375e7202bfb9ca63593640b22c9d

commit 3b996178c7f3375e7202bfb9ca63593640b22c9d
Author: oka <oka@chromium.org>
Date: Tue Aug 02 07:53:19 2016

Enable Quick View by default.

BUG= 627699 
TEST=confirmed Quick View is enabled when nothing or --enable-files-quick-view is specified, and is disabled when --disable-files-quick-view is specified.

Review-Url: https://codereview.chromium.org/2200993002
Cr-Commit-Position: refs/heads/master@{#409152}

[modify] https://crrev.com/3b996178c7f3375e7202bfb9ca63593640b22c9d/ui/file_manager/file_manager/foreground/js/file_manager.js