Making WebRTC Java api avaliable in Chromium.

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 e8f8aa586ff679141e3a8f97c0df95faad68df07..d19b24d5b69282cee39a5b56f3eff49f81b76688 100644
--- a/third_party/libjingle/BUILD.gn
+++ b/third_party/libjingle/BUILD.gn
@@ -560,6 +560,40 @@ if (enable_webrtc) {
     ]
   }
 
+  source_set("libjingle_peerconnection_so") {
+    sources = [
+      "source/talk/app/webrtc/java/jni/peerconnection_jni.cc",
+    ]
+    deps = [
+      "libjingle_webrtc",
+      "libpeerconnection",
+    ]
+  }
+
+  android_library("libjingle_peerconnection_java") {
+    java_files = [
+      "source/talk/app/webrtc/java/src/org/webrtc/AudioSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/AudioTrack.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/DataChannel.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/IceCandidate.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/Logging.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaConstraints.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaStream.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaStreamTrack.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/PeerConnection.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/SdpObserver.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/StatsObserver.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/StatsReport.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/SessionDescription.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoCapturer.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoRenderer.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoTrack.java",
+    ]
+  }
+
 }  # enable_webrtc
 
 # TODO(GYP): Port libjingle.gyp's enable_webrtc condition block.