Document why we sync on 'result' in RunnableQueue
Document why we sync on 'result' in RunnableQueue

git-svn-id: 761cee9cd64d065b967522152dca98f4d60d94f4@676155 13f79535-47bb-0310-9956-ffa450edef68

Squeegee/batik,Squeegee/batik,Squeegee/batik