tree 63068f50c45c781ea911c8fd503a054deffda8b5
parent 70c4d5a10be32b37201e638c78b73101ae0691ff
author Garfield Tan <xutan@google.com> 1481580405 -0800
committer Garfield Tan <xutan@google.com> 1481591248 -0800

Make srcParent for move/delete nullable.

Add 3 unit tests to cover these cases.

Test: It stopped crashing. New tests pass.

Bug: 33540755
Change-Id: I0c80ff1b0aa25cc218b4a0538a11189d36d6826b