Revert of Remove libpeerconnection target from third_party/libjingle

third_party/libjingle/BUILD.gn

Index: third_party/libjingle/BUILD.gn
diff --git a/third_party/libjingle/BUILD.gn b/third_party/libjingle/BUILD.gn
index d211bbab80691d2ed4b644d2874f37ec9a017a78..3f5659bf19b030bd3ed831ad700133708d38c11d 100644
--- a/third_party/libjingle/BUILD.gn
+++ b/third_party/libjingle/BUILD.gn
@@ -369,20 +369,12 @@
       "../webrtc/media/base/videoframefactory.h",
       "../webrtc/media/base/videosourcebase.cc",
       "../webrtc/media/base/videosourcebase.h",
-      "../webrtc/media/engine/simulcast.cc",
-      "../webrtc/media/engine/simulcast.h",
       "../webrtc/media/engine/webrtccommon.h",
-      "../webrtc/media/engine/webrtcmediaengine.cc",
-      "../webrtc/media/engine/webrtcmediaengine.h",
-      "../webrtc/media/engine/webrtcvideoengine2.cc",
-      "../webrtc/media/engine/webrtcvideoengine2.h",
       "../webrtc/media/engine/webrtcvideoframe.cc",
       "../webrtc/media/engine/webrtcvideoframe.h",
       "../webrtc/media/engine/webrtcvideoframefactory.cc",
       "../webrtc/media/engine/webrtcvideoframefactory.h",
       "../webrtc/media/engine/webrtcvoe.h",
-      "../webrtc/media/engine/webrtcvoiceengine.cc",
-      "../webrtc/media/engine/webrtcvoiceengine.h",
       "../webrtc/pc/audiomonitor.cc",
       "../webrtc/pc/audiomonitor.h",
       "../webrtc/pc/bundlefilter.cc",
@@ -416,12 +408,9 @@
     deps = [
       ":libjingle",
       "//third_party/libsrtp",
-      "//third_party/webrtc",
       "//third_party/webrtc/modules/media_file",
       "//third_party/webrtc/modules/video_capture",
       "//third_party/webrtc/modules/video_render",
-      "//third_party/webrtc/system_wrappers",
-      "//third_party/webrtc/voice_engine",
     ]
 
     if (!is_ios) {
@@ -435,6 +424,33 @@
     }
   }
 
+  source_set("libpeerconnection") {
+    sources = [
+      "../webrtc/media/engine/simulcast.cc",
+      "../webrtc/media/engine/simulcast.h",
+      "../webrtc/media/engine/webrtcmediaengine.cc",
+      "../webrtc/media/engine/webrtcmediaengine.h",
+      "../webrtc/media/engine/webrtcvideoengine2.cc",
+      "../webrtc/media/engine/webrtcvideoengine2.h",
+      "../webrtc/media/engine/webrtcvoiceengine.cc",
+      "../webrtc/media/engine/webrtcvoiceengine.h",
+    ]
+
+    configs += [ ":jingle_unexported_configs" ]
+    public_configs = [ ":jingle_public_configs" ]
+    configs -= [ "//build/config/compiler:chromium_code" ]
+    configs += [ "//build/config/compiler:no_chromium_code" ]
+
+    deps = [
+      # TODO(GYP): crbug.com/481633. Consider depending on :libjingle_webrtc
+      # instead.
+      ":libjingle_webrtc_common",
+      "//third_party/webrtc",
+      "//third_party/webrtc/system_wrappers",
+      "//third_party/webrtc/voice_engine",
+    ]
+  }
+
   source_set("libstunprober") {
     p2p_dir = "../webrtc/p2p"
     sources = [