tree c16d09af41c49aa87c91d12bfa1f870fed338dc2
parent 3bcac026c23fe48edbcd06743dfd5faa5ecde102
author Jason Simmons <jsimmons@google.com> 1523048749 -0700
committer Jason Simmons <jsimmons@google.com> 1523048749 -0700

Convert null or invalid Dart strings to empty strings

Change-Id: I62950627f49fe3d5888e068ddb0030eacd530fe1