Remove VirtualSocketServer's dependency on PhysicalSocketServer.

webrtc/base/proxy_unittest.cc

 /*
  *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 13 matching lines @@
 
 static const SocketAddress kSocksProxyIntAddr("1.2.3.4", 1080);
 static const SocketAddress kSocksProxyExtAddr("1.2.3.5", 0);
 static const SocketAddress kHttpsProxyIntAddr("1.2.3.4", 443);
 static const SocketAddress kHttpsProxyExtAddr("1.2.3.5", 0);
 static const SocketAddress kBogusProxyIntAddr("1.2.3.4", 999);
 
 // Sets up a virtual socket server and HTTPS/SOCKS5 proxy servers.
 class ProxyTest : public testing::Test {
  public:
-  ProxyTest() : ss_(new rtc::VirtualSocketServer(nullptr)), thread_(ss_.get()) {
+  ProxyTest() : ss_(new rtc::VirtualSocketServer()), thread_(ss_.get()) {
     socks_.reset(new rtc::SocksProxyServer(
         ss_.get(), kSocksProxyIntAddr, ss_.get(), kSocksProxyExtAddr));
     https_.reset(new rtc::HttpListenServer());
     https_->Listen(kHttpsProxyIntAddr);
   }
   ~ProxyTest() {}
 
   rtc::SocketServer* ss() { return ss_.get(); }
 
  private:
@@ skipping 23 matching lines @@
   rtc::TestClient client(std::move(packet_socket));
 
   EXPECT_EQ(Socket::CS_CONNECTING, proxy_socket->GetState());
   EXPECT_TRUE(client.CheckConnected());
   EXPECT_EQ(Socket::CS_CONNECTED, proxy_socket->GetState());
   EXPECT_EQ(server.address(), client.remote_address());
   client.Send("foo", 3);
   EXPECT_TRUE(client.CheckNextPacket("foo", 3, nullptr));
   EXPECT_TRUE(client.CheckNoPacket());
 }