Propogate network-worker thread split to api

webrtc/api/test/peerconnectiontestwrapper.h

Index: webrtc/api/test/peerconnectiontestwrapper.h
diff --git a/webrtc/api/test/peerconnectiontestwrapper.h b/webrtc/api/test/peerconnectiontestwrapper.h
index 7a9bea46b0d4ef0e2136e841970b87255af036d7..3272366c7622636e165e2ea4397bc05abb2581bf 100644
--- a/webrtc/api/test/peerconnectiontestwrapper.h
+++ b/webrtc/api/test/peerconnectiontestwrapper.h
@@ -27,8 +27,9 @@ class PeerConnectionTestWrapper
   static void Connect(PeerConnectionTestWrapper* caller,
                       PeerConnectionTestWrapper* callee);
 
-  explicit PeerConnectionTestWrapper(const std::string& name,
-                                     rtc::Thread* worker_thread);
+  PeerConnectionTestWrapper(const std::string& name,
+                            rtc::Thread* network_thread,
+                            rtc::Thread* worker_thread);
   virtual ~PeerConnectionTestWrapper();
 
   bool CreatePc(const webrtc::MediaConstraintsInterface* constraints);
@@ -91,7 +92,8 @@ class PeerConnectionTestWrapper
       bool video, const webrtc::FakeConstraints& video_constraints);
 
   std::string name_;
-  rtc::Thread* worker_thread_;
+  rtc::Thread* const network_thread_;
+  rtc::Thread* const worker_thread_;
   rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_;
   rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface>
       peer_connection_factory_;