Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/test/BUILD.gn

Index: webrtc/test/BUILD.gn
diff --git a/webrtc/test/BUILD.gn b/webrtc/test/BUILD.gn
index 267d1e2d0598386297caf0cd2b4a71fc04e4da24..c1a3a1e023d1a3c1ce057378569440c723071bd5 100644
--- a/webrtc/test/BUILD.gn
+++ b/webrtc/test/BUILD.gn
@@ -43,6 +43,7 @@ rtc_source_set("video_test_common") {
     "frame_utils.h",
     "vcm_capturer.cc",
     "vcm_capturer.h",
+    "video_capturer.cc",
     "video_capturer.h",
   ]
 
@@ -53,6 +54,7 @@ rtc_source_set("video_test_common") {
 
   deps = [
     "../common_video",
+    "../media:rtc_media_base",
     "../modules/video_capture:video_capture_module",
   ]
 }