Move VideoFrame and related declarations to webrtc/api/video.

webrtc/test/frame_utils.cc

Index: webrtc/test/frame_utils.cc
diff --git a/webrtc/test/frame_utils.cc b/webrtc/test/frame_utils.cc
index b332b8fb918d8ff041e7090fae6b705631994d08..41d8d373f5c6c0cca6a82ff1271aa122372a8a08 100644
--- a/webrtc/test/frame_utils.cc
+++ b/webrtc/test/frame_utils.cc
@@ -8,8 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include <cstdio>
+#include <cstring>
+
+#include "webrtc/api/video/video_frame.h"
+#include "webrtc/common_video/include/video_frame_buffer.h"
 #include "webrtc/test/frame_utils.h"
-#include "webrtc/video_frame.h"
 
 namespace webrtc {
 namespace test {