Remove VirtualSocketServer's dependency on PhysicalSocketServer.

webrtc/pc/peerconnectioninterface_unittest.cc

Index: webrtc/pc/peerconnectioninterface_unittest.cc
diff --git a/webrtc/pc/peerconnectioninterface_unittest.cc b/webrtc/pc/peerconnectioninterface_unittest.cc
index de62104acf25bdb16bc9f8947dda4e7c65b61fef..d0e42621cffdeab915e6e4e9fbef0821dcd5b749 100644
--- a/webrtc/pc/peerconnectioninterface_unittest.cc
+++ b/webrtc/pc/peerconnectioninterface_unittest.cc
@@ -22,7 +22,6 @@
 #include "webrtc/api/rtpsenderinterface.h"
 #include "webrtc/api/test/fakeconstraints.h"
 #include "webrtc/base/gunit.h"
-#include "webrtc/base/physicalsocketserver.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/sslstreamadapter.h"
 #include "webrtc/base/stringutils.h"
@@ -662,9 +661,7 @@ class PeerConnectionFactoryForTest : public webrtc::PeerConnectionFactory {
 class PeerConnectionInterfaceTest : public testing::Test {
  protected:
   PeerConnectionInterfaceTest()
-      : pss_(new rtc::PhysicalSocketServer),
-        vss_(new rtc::VirtualSocketServer(pss_.get())),
-        main_(vss_.get()) {
+      : vss_(new rtc::VirtualSocketServer()), main_(vss_.get()) {
 #ifdef WEBRTC_ANDROID
     webrtc::InitializeAndroidObjects();
 #endif
@@ -1128,7 +1125,6 @@ class PeerConnectionInterfaceTest : public testing::Test {
     return audio_desc->streams()[0].cname;
   }
 
-  std::unique_ptr<rtc::PhysicalSocketServer> pss_;
   std::unique_ptr<rtc::VirtualSocketServer> vss_;
   rtc::AutoSocketServerThread main_;
   cricket::FakePortAllocator* port_allocator_ = nullptr;