Rename incoming_framerate_ to capture_framerate_ in screenshare_layers.

webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h

Index: webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
diff --git a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
index c7180607e90d2394cb572bce187387c709628aa8..de7665ca954c50d0f62954998b55402278bef4b1 100644
--- a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
+++ b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
@@ -79,7 +79,7 @@ class ScreenshareLayers : public TemporalLayers {
   // Configured max framerate.
   rtc::Optional<uint32_t> target_framerate_;
   // Incoming framerate from capturer.
-  rtc::Optional<uint32_t> incoming_framerate_;
+  rtc::Optional<uint32_t> capture_framerate_;
   // Tracks what framerate we actually encode, and drops frames on overshoot.
   RateStatistics encode_framerate_;
   bool bitrate_updated_;