tree f7dbcfe5ae9443d44c153045824e9ae33da7d1bd
parent d3865f5b4553914061dce6a98cb16ecf62111b15
author Tom Taylor <tomtaylor@google.com> 1336599755 -0700
committer Tom Taylor <tomtaylor@google.com> 1336599755 -0700

Thread with no recipients getting created

Bug 6453254

Don't allow a thread to be created with no recipients. Return null so
the situation can be dealt with by the caller.

Change-Id: Idd82ac5967524287e894ecd72b2bc01a1d3f639f