tree 18ba2fa951775e60b240271bfe975e6e2cfc654c
parent 2befd09cf4fe89a18a655f3e1dd310831bfa769f
author Mathieu Chartier <mathieuc@google.com> 1392343333 -0800
committer Mathieu Chartier <mathieuc@google.com> 1392749112 -0800

Change root visitor to use Object**.

Simplifies code and improves the performance of root visiting since
we usually don't need to check to see if the object moved.

Change-Id: Iba998f5a15ae1fa1b53ca5226dd2168a411196cf