Extracting NetLog inner classes into their own classes.

extensions/browser/api/cast_channel/cast_socket_unittest.cc

 // Copyright 2014 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/cast_channel/cast_socket.h"
 
 #include <stdint.h>
 
 #include <utility>
 #include <vector>
@@ skipping 74 matching lines @@
   test_message.set_payload_utf8("payload");
   return test_message;
 }
 
 class MockTCPSocket : public net::TCPClientSocket {
  public:
   explicit MockTCPSocket(const net::MockConnect& connect_data)
       : TCPClientSocket(net::AddressList(),
                         nullptr,
                         nullptr,
-                        net::NetLog::Source()),
+                        net::NetLogSource()),
         connect_data_(connect_data),
         do_nothing_(false) {}
 
   explicit MockTCPSocket(bool do_nothing)
       : TCPClientSocket(net::AddressList(),
                         nullptr,
                         nullptr,
-                        net::NetLog::Source()) {
+                        net::NetLogSource()) {
     CHECK(do_nothing);
     do_nothing_ = do_nothing;
   }
 
   virtual int Connect(const net::CompletionCallback& callback) {
     if (do_nothing_) {
       // Stall the I/O event loop.
       return net::ERR_IO_PENDING;
     }
 
@@ skipping 790 matching lines @@
       logger_, cast_channel::CastDeviceCapability::VIDEO_OUT);
   EXPECT_FALSE(socket_->audio_only());
   EXPECT_TRUE(socket_->TestVerifyChannelPolicyNone());
   EXPECT_FALSE(socket_->audio_only());
   EXPECT_FALSE(socket_->TestVerifyChannelPolicyAudioOnly());
   EXPECT_TRUE(socket_->audio_only());
 }
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions