Remove webrtc::VideoEncoderFactory

webrtc/media/BUILD.gn

Index: webrtc/media/BUILD.gn
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index c9055c80c6266421c22c27b302c23b6c926ea6d4..fad410b2dde4302004359cea1dcd17d3968752d4 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -143,6 +143,8 @@ rtc_static_library("rtc_audio_video") {
     "engine/payload_type_mapper.h",
     "engine/simulcast.cc",
     "engine/simulcast.h",
+    "engine/simulcast_encoder_adapter.cc",
+    "engine/simulcast_encoder_adapter.h",
     "engine/videodecodersoftwarefallbackwrapper.cc",
     "engine/videodecodersoftwarefallbackwrapper.h",
     "engine/videoencodersoftwarefallbackwrapper.cc",
@@ -228,6 +230,7 @@ rtc_static_library("rtc_audio_video") {
     "../base:rtc_base",
     "../base:rtc_base_approved",
     "../base:rtc_task_queue",
+    "../base:sequenced_task_checker",
     "../call",
     "../common_video:common_video",
     "../modules/audio_coding:rent_a_codec",
@@ -436,6 +439,7 @@ if (rtc_include_tests) {
       "engine/internaldecoderfactory_unittest.cc",
       "engine/nullwebrtcvideoengine_unittest.cc",
       "engine/payload_type_mapper_unittest.cc",
+      "engine/simulcast_encoder_adapter_unittest.cc",
       "engine/simulcast_unittest.cc",
       "engine/videodecodersoftwarefallbackwrapper_unittest.cc",
       "engine/videoencodersoftwarefallbackwrapper_unittest.cc",
@@ -513,6 +517,7 @@ if (rtc_include_tests) {
       "../logging:rtc_event_log_api",
       "../modules/audio_device:mock_audio_device",
       "../modules/audio_processing:audio_processing",
+      "../modules/video_coding:simulcast_test_utility",
       "../modules/video_coding:video_coding_utility",
       "../modules/video_coding:webrtc_vp8",
       "../p2p:p2p_test_utils",