components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/browser_watcher/window_hang_monitor_win_unittest.cc

 // Copyright 2015 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 "components/browser_watcher/window_hang_monitor_win.h"
 
 #include <vector>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 350 matching lines @@
   CreateMessageWindow();
 
   monitor_thread().Start(base::Process::Current(), window_name());
 
   ASSERT_FALSE(monitor_thread().TimedWaitForEvent(
       base::TimeDelta::FromMilliseconds(150)));
 
   // Block the worker thread.
   base::WaitableEvent hang(true, false);
 
-  window_thread()->message_loop_proxy()->PostTask(
+  window_thread()->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&base::WaitableEvent::Wait, base::Unretained(&hang)));
 
   EXPECT_EQ(WindowHangMonitor::WINDOW_HUNG,
             monitor_thread().WaitForEvent());
 
   // Unblock the worker thread.
   hang.Signal();
 
   ASSERT_FALSE(monitor_thread().TimedWaitForEvent(
       base::TimeDelta::FromMilliseconds(150)));
 }
 
 }  // namespace browser_watcher