usage of mCurrentPosition without checking mSlidingBuffer. r=harishd, sr=sfraser, a=asa git-svn-id: svn://10.0.0.236/trunk@116061 18797224-902f-48f8-a5cc-f745e15eee43
usage of mCurrentPosition without checking mSlidingBuffer. r=harishd, sr=sfraser, a=asa git-svn-id: svn://10.0.0.236/trunk@116061 18797224-902f-48f8-a5cc-f745e15eee43