Remove use of deprecated MessageLoop methods in extensions.

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>
 
+#include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_byteorder.h"
 #include "base/test/simple_test_clock.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/timer/mock_timer.h"
 #include "extensions/browser/api/cast_channel/cast_auth_util.h"
 #include "extensions/browser/api/cast_channel/cast_framer.h"
 #include "extensions/browser/api/cast_channel/cast_message_util.h"
 #include "extensions/browser/api/cast_channel/cast_test_util.h"
 #include "extensions/browser/api/cast_channel/cast_transport.h"
 #include "extensions/browser/api/cast_channel/logger.h"
 #include "extensions/common/api/cast_channel/cast_channel.pb.h"
 #include "net/base/address_list.h"
 #include "net/base/net_errors.h"
@@ skipping 71 matching lines @@
   }
 
   virtual int Connect(const net::CompletionCallback& callback) {
     if (do_nothing_) {
       // Stall the I/O event loop.
       return net::ERR_IO_PENDING;
     }
 
     if (connect_data_.mode == net::ASYNC) {
       CHECK_NE(connect_data_.result, net::ERR_IO_PENDING);
-      base::MessageLoop::current()->PostTask(
-          FROM_HERE,
-          base::Bind(callback, connect_data_.result));
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(callback, connect_data_.result));
       return net::ERR_IO_PENDING;
     } else {
       return connect_data_.result;
     }
   }
 
   virtual bool SetKeepAlive(bool enable, int delay) {
     // Always return true in tests
     return true;
   }
@@ skipping 762 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