Revert of Merge webrtc/video_engine/ into webrtc/video/

webrtc/video/BUILD.gn

Index: webrtc/video/BUILD.gn
diff --git a/webrtc/video/BUILD.gn b/webrtc/video/BUILD.gn
index e35772e22c44d5f2b110d7c7744227ac8bb44c6e..9db0dfcc97f52ba47ef0147c78d127aa9aa3e770 100644
--- a/webrtc/video/BUILD.gn
+++ b/webrtc/video/BUILD.gn
@@ -10,24 +10,34 @@ import("../build/webrtc.gni")
 
 source_set("video") {
   sources = [
-    "call_stats.cc",
-    "call_stats.h",
+    "../video_engine/call_stats.cc",
+    "../video_engine/call_stats.h",
+    "../video_engine/encoder_state_feedback.cc",
+    "../video_engine/encoder_state_feedback.h",
+    "../video_engine/overuse_frame_detector.cc",
+    "../video_engine/overuse_frame_detector.h",
+    "../video_engine/payload_router.cc",
+    "../video_engine/payload_router.h",
+    "../video_engine/report_block_stats.cc",
+    "../video_engine/report_block_stats.h",
+    "../video_engine/stream_synchronization.cc",
+    "../video_engine/stream_synchronization.h",
+    "../video_engine/vie_channel.cc",
+    "../video_engine/vie_channel.h",
+    "../video_engine/vie_encoder.cc",
+    "../video_engine/vie_encoder.h",
+    "../video_engine/vie_receiver.cc",
+    "../video_engine/vie_receiver.h",
+    "../video_engine/vie_remb.cc",
+    "../video_engine/vie_remb.h",
+    "../video_engine/vie_sync_module.cc",
+    "../video_engine/vie_sync_module.h",
     "encoded_frame_callback_adapter.cc",
     "encoded_frame_callback_adapter.h",
-    "encoder_state_feedback.cc",
-    "encoder_state_feedback.h",
-    "overuse_frame_detector.cc",
-    "overuse_frame_detector.h",
-    "payload_router.cc",
-    "payload_router.h",
     "receive_statistics_proxy.cc",
     "receive_statistics_proxy.h",
-    "report_block_stats.cc",
-    "report_block_stats.h",
     "send_statistics_proxy.cc",
     "send_statistics_proxy.h",
-    "stream_synchronization.cc",
-    "stream_synchronization.h",
     "video_capture_input.cc",
     "video_capture_input.h",
     "video_decoder.cc",
@@ -36,16 +46,6 @@ source_set("video") {
     "video_receive_stream.h",
     "video_send_stream.cc",
     "video_send_stream.h",
-    "vie_channel.cc",
-    "vie_channel.h",
-    "vie_encoder.cc",
-    "vie_encoder.h",
-    "vie_receiver.cc",
-    "vie_receiver.h",
-    "vie_remb.cc",
-    "vie_remb.h",
-    "vie_sync_module.cc",
-    "vie_sync_module.h",
   ]
 
   configs += [ "..:common_config" ]
@@ -69,7 +69,7 @@ source_set("video") {
     "../modules/video_coding",
     "../modules/video_processing",
     "../modules/video_render:video_render_module",
-    "../system_wrappers",
     "../voice_engine",
+    "../system_wrappers",
   ]
 }