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Reasons: 1: There is memcheck failure. 2: DoInitialize is called before RegisterUMAObserver, which means this will be never triggered in real cases. BUG=3326 R=jiayl@webrtc.org Review URL: https://webrtc-codereview.appspot.com/16499004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6097 4adac7df-926f-26a2-2b94-8c16560cd09d