Processing timefences from the server.
Timefences, or triggers, are commands inside cards data that tell the client to show / hide the card at certain time without making a server request.

BUG=164227
TEST=Need to discuss in person.

Review URL: https://chromiumcodereview.appspot.com/19749007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@214058 0039d316-1c4b-4281-b951-d872f2087c98
10 files changed