GitLab

Added some quick searches that are usually performed in
sync to find out which objects are not updated and have
pending updates not being done.

Currently it implements IS_UNSYNCED, IS_UNAPPLIED_UPDATE, both, and
IS_DEL.


BUG=154378

Review URL: https://codereview.chromium.org/138273009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245463 0039d316-1c4b-4281-b951-d872f2087c98