Fixes issue 210. Removes diff between two different arrays.

Also fixes the FrameBuffer copy constructor.

BUG=210
TEST=

Review URL: http://webrtc-codereview.appspot.com/347002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1364 4adac7df-926f-26a2-2b94-8c16560cd09d
3 files changed