Revert of Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/media/engine/fakewebrtccall.cc

Index: webrtc/media/engine/fakewebrtccall.cc
diff --git a/webrtc/media/engine/fakewebrtccall.cc b/webrtc/media/engine/fakewebrtccall.cc
index 9ada1b6e11bda30223002bc7111f4063fd08233f..9a05ae67e4a72669a6881fa29b2eebea46d060b5 100644
--- a/webrtc/media/engine/fakewebrtccall.cc
+++ b/webrtc/media/engine/fakewebrtccall.cc
@@ -108,7 +108,6 @@
       config_(std::move(config)),
       codec_settings_set_(false),
       resolution_scaling_enabled_(false),
-      framerate_scaling_enabled_(false),
       source_(nullptr),
       num_swapped_frames_(0) {
   RTC_DCHECK(config.encoder_settings.encoder != NULL);
@@ -253,24 +252,9 @@
   if (source_)
     source_->RemoveSink(this);
   source_ = source;
-  switch (degradation_preference) {
-    case DegradationPreference::kMaintainFramerate:
-      resolution_scaling_enabled_ = true;
-      framerate_scaling_enabled_ = false;
-      break;
-    case DegradationPreference::kMaintainResolution:
-      resolution_scaling_enabled_ = false;
-      framerate_scaling_enabled_ = true;
-      break;
-    case DegradationPreference::kBalanced:
-      resolution_scaling_enabled_ = true;
-      framerate_scaling_enabled_ = true;
-      break;
-    case DegradationPreference::kDegradationDisabled:
-      resolution_scaling_enabled_ = false;
-      framerate_scaling_enabled_ = false;
-      break;
-  }
+  resolution_scaling_enabled_ =
+      degradation_preference !=
+      webrtc::VideoSendStream::DegradationPreference::kMaintainResolution;
   if (source)
     source->AddOrUpdateSink(this, resolution_scaling_enabled_
                                       ? sink_wants_
@@ -349,9 +333,7 @@
       audio_network_state_(webrtc::kNetworkUp),
       video_network_state_(webrtc::kNetworkUp),
       num_created_send_streams_(0),
-      num_created_receive_streams_(0),
-      audio_transport_overhead_(0),
-      video_transport_overhead_(0) {}
+      num_created_receive_streams_(0) {}
 
 FakeCall::~FakeCall() {
   EXPECT_EQ(0u, video_send_streams_.size());