Revert of Make cricket::VideoFrame inherit webrtc::VideoFrame.

webrtc/media/BUILD.gn

Index: webrtc/media/BUILD.gn
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index 891c9583f6817fbc47db76387c6940a68cabd88b..963c49d126679e5368f965ea102ebf9b752a3afd 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -83,6 +83,7 @@
     "base/videocapturerfactory.h",
     "base/videocommon.cc",
     "base/videocommon.h",
+    "base/videoframe.cc",
     "base/videoframe.h",
     "base/videosourcebase.cc",
     "base/videosourcebase.h",
@@ -103,6 +104,7 @@
     "engine/webrtcvideoencoderfactory.h",
     "engine/webrtcvideoengine2.cc",
     "engine/webrtcvideoengine2.h",
+    "engine/webrtcvideoframe.cc",
     "engine/webrtcvideoframe.h",
     "engine/webrtcvoe.h",
     "engine/webrtcvoiceengine.cc",
@@ -306,12 +308,14 @@
       "base/videocapturer_unittest.cc",
       "base/videocommon_unittest.cc",
       "base/videoengine_unittest.h",
+      "base/videoframe_unittest.h",
       "engine/nullwebrtcvideoengine_unittest.cc",
       "engine/payload_type_mapper_unittest.cc",
       "engine/simulcast_unittest.cc",
       "engine/webrtcmediaengine_unittest.cc",
       "engine/webrtcvideocapturer_unittest.cc",
       "engine/webrtcvideoengine2_unittest.cc",
+      "engine/webrtcvideoframe_unittest.cc",
       "engine/webrtcvoiceengine_unittest.cc",
       "sctp/sctpdataengine_unittest.cc",
     ]