Remove OnLocalSsrcChanged and rename EncoderStateFeedback.

webrtc/video/encoder_rtcp_feedback.h

Index: webrtc/video/encoder_rtcp_feedback.h
diff --git a/webrtc/video/encoder_state_feedback.h b/webrtc/video/encoder_rtcp_feedback.h
similarity index 80%
rename from webrtc/video/encoder_state_feedback.h
rename to webrtc/video/encoder_rtcp_feedback.h
index c9fb9cc7476e1247bdf4d5304b4fcd470386e0d6..4afdcf4c9e87434c79e98e7e3734f94898628fd5 100644
--- a/webrtc/video/encoder_state_feedback.h
+++ b/webrtc/video/encoder_rtcp_feedback.h
@@ -7,8 +7,8 @@
  *  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_
+#ifndef WEBRTC_VIDEO_ENCODER_RTCP_FEEDBACK_H_
+#define WEBRTC_VIDEO_ENCODER_RTCP_FEEDBACK_H_
 
 #include <vector>
 
@@ -21,15 +21,14 @@ namespace webrtc {
 
 class ViEEncoder;
 
-class EncoderStateFeedback : public RtcpIntraFrameObserver {
+class EncoderRtcpFeedback : public RtcpIntraFrameObserver {
  public:
-  EncoderStateFeedback(Clock* clock,
+  EncoderRtcpFeedback(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);
@@ -45,4 +44,4 @@ class EncoderStateFeedback : public RtcpIntraFrameObserver {
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_VIDEO_ENCODER_STATE_FEEDBACK_H_
+#endif  // WEBRTC_VIDEO_ENCODER_RTCP_FEEDBACK_H_