Adding backward compatibility header

webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h

Index: webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h
diff --git a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h
new file mode 100644
index 0000000000000000000000000000000000000000..bef9372cef79d65b62314d7d9f593ad2db79ed3a
--- /dev/null
+++ b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h
@@ -0,0 +1,19 @@
+/*
+ *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_
+#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_
+
+// This is a backward compatibility header. It will be removed as soon as
+// dowstream projects will be updated.
+
+#include "webrtc/sdk/objc/Framework/Classes/Video/corevideo_frame_buffer.h"
+
+#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_