Rollback r942. MapLongVariableNames inherits from TIntermTraverser, and TIntermTraverser uses ANGLE's memory allocator, thus the memory is released per compilation. Our design is for MapLongVariableNames to be a singleton across all compilations, thus, this is not working. BUG= TEST= TBR=kbr Review URL: https://codereview.appspot.com/5556053 git-svn-id: https://angleproject.googlecode.com/svn/trunk@949 736b8ea6-26fd-11df-bfd4-992fa37f6226