ref: 8bdc1f25e5c61b4d751297440df8436b2699108d
parent: 1f08824d6db735e4cacb0419785a789395e42b2b
author: Jim Bankoski <jimbankoski@google.com>
date: Tue Mar 11 07:18:43 EDT 2014
cut down calls to get_block_context Change-Id: I894977e6655630823145c60c8258551bd3c8c76b