Add FullStack test for simulcast screenshare mode.

webrtc/common_video/include/frame_callback.h

 /*
  *  Copyright (c) 2013 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_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_
 #define WEBRTC_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "webrtc/common_types.h"
 
 namespace webrtc {
 
 class VideoFrame;
 
 struct EncodedFrame {
  public:
   EncodedFrame()
       : data_(nullptr),
         length_(0),
         frame_type_(kEmptyFrame),
-        encoded_width_(0),
-        encoded_height_(0),
+        stream_id_(0),
         timestamp_(0) {}
   EncodedFrame(const uint8_t* data,
                size_t length,
                FrameType frame_type,
-               uint32_t encoded_width,
-               uint32_t encoded_height,
+               size_t stream_id,
                uint32_t timestamp)
       : data_(data),
         length_(length),
         frame_type_(frame_type),
-        encoded_width_(encoded_width),
-        encoded_height_(encoded_height),
+        stream_id_(stream_id),
         timestamp_(timestamp) {}
 
   const uint8_t* data_;
   const size_t length_;
   const FrameType frame_type_;
-  const uint32_t encoded_width_;
-  const uint32_t encoded_height_;
+  const size_t stream_id_;
   const uint32_t timestamp_;
 };
 
 class EncodedFrameObserver {
  public:
   virtual void EncodedFrameCallback(const EncodedFrame& encoded_frame) = 0;
   virtual void OnEncodeTiming(int64_t capture_ntp_ms, int encode_duration_ms) {}
 
  protected:
   virtual ~EncodedFrameObserver() {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_