BUG=none TEST=metrics_unittest, video_codecs_test_framework_integrationtests in normal and memcheck mode. Review URL: https://webrtc-codereview.appspot.com/937013 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3041 4adac7df-926f-26a2-2b94-8c16560cd09d