* commit '1bab99c8cebbf23379c2ccad9188da1dce6fef09': DO NOT MERGE Fix null pointer exception when updating rotation tile. (Bug 11111473)
* commit '1bab99c8cebbf23379c2ccad9188da1dce6fef09': DO NOT MERGE Fix null pointer exception when updating rotation tile. (Bug 11111473)