Clear empty video frames in unittest so DrMemory will allow them to be read without an uninitialized read error.
BUG=libyuv:263
TESTED=drmemory out\Debug\modules_unittests.exe --gtest_filter=*PreprocessorLogic
R=kjellander@webrtc.org, mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/4319004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5168 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed