Remove calls to deprecated MessageLoop methods in content.

content/browser/renderer_host/p2p/socket_host_tcp_unittest.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/p2p/socket_host_tcp.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <deque>
 
 #include "base/macros.h"
+#include "base/run_loop.h"
 #include "base/sys_byteorder.h"
 #include "content/browser/renderer_host/p2p/socket_host_test_utils.h"
 #include "net/socket/stream_socket.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::DeleteArg;
 using ::testing::DoAll;
 using ::testing::Return;
@@ skipping 207 matching lines @@
   rtc::PacketOptions options;
   std::vector<char> packet1;
   CreateStunRequest(&packet1);
 
   socket_host_->Send(dest_.ip_address, packet1, options, 0);
 
   std::vector<char> packet2;
   CreateStunResponse(&packet2);
   socket_host_->Send(dest_.ip_address, packet2, options, 0);
 
-  message_loop.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   std::string expected_data;
   expected_data.append(IntToSize(packet1.size()));
   expected_data.append(packet1.begin(), packet1.end());
   expected_data.append(IntToSize(packet2.size()));
   expected_data.append(packet2.begin(), packet2.end());
 
   EXPECT_EQ(expected_data, sent_data_);
 }
 
@@ skipping 134 matching lines @@
 
   rtc::PacketOptions options;
   std::vector<char> packet1;
   CreateStunRequest(&packet1);
   socket_host_->Send(dest_.ip_address, packet1, options, 0);
 
   std::vector<char> packet2;
   CreateStunResponse(&packet2);
   socket_host_->Send(dest_.ip_address, packet2, options, 0);
 
-  message_loop.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   std::string expected_data;
   expected_data.append(packet1.begin(), packet1.end());
   expected_data.append(packet2.begin(), packet2.end());
 
   EXPECT_EQ(expected_data, sent_data_);
 }
 
 }  // namespace content