tree 1e933bee5fbb9c1927204a06145473808b71b0d2
parent 18c7868cecfe3b1c18113d13bda4e853d43e9fb1
author Mathias Agopian <mathias@google.com> 1305853411 -0700
committer Mathias Agopian <mathias@google.com> 1305859201 -0700

RefBase subclasses can now decide how they want to be destroyed.

This adds a destroy() virtual on RefBase which
sublasses can implement. destroy() is called
in lieu of the destructor whenthe last strong
ref goes away.