Make cricket::VideoFrame inherit webrtc::VideoFrame. Delete

all methods but a few constructors. And similarly for the
subclass cricket::WebRtcVideoFrame.

TBR=tkchin@webrtc.org  # Added an include line
BUG=webrtc:5682

Review-Url: https://codereview.webrtc.org/2315663002
Cr-Commit-Position: refs/heads/master@{#14576}

webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.mm

@@ -26,6 +26,7 @@
 
 #include "webrtc/base/bind.h"
 #include "webrtc/base/checks.h"
+#include "webrtc/base/logging.h"
 #include "webrtc/base/thread.h"
 #include "webrtc/common_video/include/corevideo_frame_buffer.h"
 #include "webrtc/common_video/rotation.h"