Add FileDescriptorWatcher in LocalInputMonitorTest

remoting/host/local_input_monitor_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 "remoting/host/local_input_monitor.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/host/client_session_control.h"
 #include "remoting/host/host_mock_objects.h"
 #include "remoting/protocol/protocol_mock_objects.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_POSIX)
+#include "base/files/file_descriptor_watcher_posix.h"
+#endif
+
 namespace remoting {
 
 using testing::_;
 using testing::AnyNumber;
 using testing::ReturnRef;
 
 namespace {
 
 #if defined(OS_WIN)
 const base::MessageLoop::Type kDesiredMessageLoopType =
     base::MessageLoop::TYPE_UI;
 #else  // !defined(OS_WIN)
 const base::MessageLoop::Type kDesiredMessageLoopType =
     base::MessageLoop::TYPE_IO;
 #endif  // !defined(OS_WIN)
 
 }  // namespace
 
 class LocalInputMonitorTest : public testing::Test {
  public:
   LocalInputMonitorTest();
 
   void SetUp() override;
 
   base::MessageLoop message_loop_;
+#if defined(OS_POSIX)
+  // Required to watch a file descriptor from NativeMessageProcessHost.
+  base::FileDescriptorWatcher file_descriptor_watcher_;
+#endif
   base::RunLoop run_loop_;
   scoped_refptr<AutoThreadTaskRunner> task_runner_;
 
   std::string client_jid_;
   MockClientSessionControl client_session_control_;
   base::WeakPtrFactory<ClientSessionControl> client_session_control_factory_;
 };
 
 LocalInputMonitorTest::LocalInputMonitorTest()
     : message_loop_(kDesiredMessageLoopType),
+#if defined(OS_POSIX)
+      file_descriptor_watcher_(base::MessageLoopForIO::current()),
+#endif
       client_jid_("user@domain/rest-of-jid"),
       client_session_control_factory_(&client_session_control_) {
 }
 
 void LocalInputMonitorTest::SetUp() {
   // Arrange to run |message_loop_| until no components depend on it.
   task_runner_ = new AutoThreadTaskRunner(
       message_loop_.task_runner(), run_loop_.QuitClosure());
 }
 
@@ skipping 16 matching lines @@
     std::unique_ptr<LocalInputMonitor> local_input_monitor =
         LocalInputMonitor::Create(task_runner_, task_runner_, task_runner_,
                                   client_session_control_factory_.GetWeakPtr());
     task_runner_ = nullptr;
   }
 
   run_loop_.Run();
 }
 
 }  // namespace remoting