Include files from webrtc/.. paths in common_video/

BUG=1662
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1546004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4167 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/common_video/plane_unittest.cc b/common_video/plane_unittest.cc
index 19597ce..d165598 100644
--- a/common_video/plane_unittest.cc
+++ b/common_video/plane_unittest.cc
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "common_video/plane.h"
+#include "webrtc/common_video/plane.h"
 
 #include <math.h>
 #include <string.h>
 
-#include "gtest/gtest.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 namespace webrtc {