Remove OnLocalSsrcChanged and rename EncoderStateFeedback.

webrtc/video/encoder_state_feedback.h

-/*
- *  Copyright (c) 2012 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_VIDEO_ENCODER_STATE_FEEDBACK_H_
-#define WEBRTC_VIDEO_ENCODER_STATE_FEEDBACK_H_
-
-#include <vector>
-
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "webrtc/system_wrappers/include/clock.h"
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-
-class ViEEncoder;
-
-class EncoderStateFeedback : public RtcpIntraFrameObserver {
- public:
-  EncoderStateFeedback(Clock* clock,
-                       const std::vector<uint32_t>& ssrcs,
-                       ViEEncoder* encoder);
-  void OnReceivedIntraFrameRequest(uint32_t ssrc) override;
-  void OnReceivedSLI(uint32_t ssrc, uint8_t picture_id) override;
-  void OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id) override;
-  void OnLocalSsrcChanged(uint32_t old_ssrc, uint32_t new_ssrc) override;
-
- private:
-  bool HasSsrc(uint32_t ssrc);
-  size_t GetStreamIndex(uint32_t ssrc);
-
-  Clock* const clock_;
-  const std::vector<uint32_t> ssrcs_;
-  ViEEncoder* const vie_encoder_;
-
-  rtc::CriticalSection crit_;
-  std::vector<int64_t> time_last_intra_request_ms_ GUARDED_BY(crit_);
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_VIDEO_ENCODER_STATE_FEEDBACK_H_