Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/media/base/videosourceinterface.h

Index: webrtc/media/base/videosourceinterface.h
diff --git a/webrtc/media/base/videosourceinterface.h b/webrtc/media/base/videosourceinterface.h
index 0ea1c60abfa389e5bc236925e25d9bae74e2886d..60a86afd5cc0d64fc2fbd6ea301d33cc24698dd9 100644
--- a/webrtc/media/base/videosourceinterface.h
+++ b/webrtc/media/base/videosourceinterface.h
@@ -34,6 +34,9 @@ struct VideoSinkWants {
   // closest resolution to this pixel count, but if max_pixel_count is set, it
   // still sets the absolute upper bound.
   rtc::Optional<int> target_pixel_count;
+

[kthelgason, 2017/02/27 14:02:39]

nit: unnecessary empty line

[sprang_webrtc, 2017/02/28 08:46:28]

Done.

+  // Tells the source the maximum framerate the sink wants.
+  rtc::Optional<int> max_framerate_fps_;
 };
 
 template <typename VideoFrameT>