Extracting NetLog inner classes into their own classes.

extensions/browser/api/display_source/display_source_apitestbase.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/api/display_source/display_source_apitestbase.h"
 
 #include <list>
 #include <map>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "net/base/net_errors.h"
+#include "net/log/net_log_source.h"
 #include "net/udp/udp_socket.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 using api::display_source::SinkInfo;
 using api::display_source::SinkState;
 using api::display_source::AuthenticationMethod;
 using api::display_source::SINK_STATE_DISCONNECTED;
 using api::display_source::SINK_STATE_CONNECTING;
@@ skipping 435 matching lines @@
   if (found_clientport_key != std::string::npos)
     AdaptMessagePattern(found_clientport_key, kClientPortKey, kUdpPortLength,
                         udp_port_, pattern);
 
   ASSERT_EQ(pattern, message);
 }
 
 void MockDisplaySourceConnectionDelegate::BindToUdpSocket() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  socket_.reset(new net::UDPSocket(
-      net::DatagramSocket::DEFAULT_BIND, net::RandIntCallback(), nullptr,
-      net::NetLog::Source()));
+  socket_.reset(new net::UDPSocket(net::DatagramSocket::DEFAULT_BIND,
+                                   net::RandIntCallback(), nullptr,
+                                   net::NetLogSource()));
 
   net::IPAddress address;
   ASSERT_TRUE(address.AssignFromIPLiteral(kLocalHost));
 
   int net_result;
   net_result = socket_->Open(net::ADDRESS_FAMILY_IPV4);
   ASSERT_EQ(net_result, net::OK);
 
   for (uint16_t port = kPortStart; port < kPortEnd; ++port) {
     net::IPEndPoint local_point(address, port);
@@ skipping 44 matching lines @@
         base::Bind(&MockDisplaySourceConnectionDelegate::Disconnect,
                    base::Unretained(this), StringCallback()));
     return;
    }
 
   DCHECK(socket_.get());
   ReceiveMediaPacket();
 }
 
 }  // namespace extensions