Use FileDescriptorWatcher in UserInputMonitorLinuxCore.

media/base/user_input_monitor_unittest.cc

 // Copyright 2013 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 "media/base/user_input_monitor.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "media/base/keyboard_event_counter.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkPoint.h"
 
+#if defined(OS_POSIX)

[liberato (no reviews please), 2016/10/04 17:29:20]

line 55 checks OS_LINUX.  probably this should be OS_LINUX as well.

[fdoray, 2016/10/05 13:40:14]

Done.

+#include "base/files/file_descriptor_watcher_posix.h"
+#endif
+
 namespace media {
 
 class MockMouseListener : public UserInputMonitor::MouseEventListener {
  public:
   MOCK_METHOD1(OnMouseMoved, void(const SkIPoint& position));
 
   virtual ~MockMouseListener() {}
 };
 
 #if defined(OS_LINUX) || defined(OS_WIN)
@@ skipping 15 matching lines @@
 
   counter.OnKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
   counter.OnKeyboardEvent(ui::ET_KEY_RELEASED, ui::VKEY_0);
   EXPECT_EQ(2u, counter.GetKeyPressCount());
 }
 #endif  // defined(OS_LINUX) || defined(OS_WIN)
 
 TEST(UserInputMonitorTest, CreatePlatformSpecific) {
 #if defined(OS_LINUX)
   base::MessageLoopForIO message_loop;
+  base::FileDescriptorWatcher file_descriptor_watcher(&message_loop);
 #else
   base::MessageLoopForUI message_loop;
 #endif  // defined(OS_LINUX)
 
   base::RunLoop run_loop;
   std::unique_ptr<UserInputMonitor> monitor = UserInputMonitor::Create(
       message_loop.task_runner(), message_loop.task_runner());
 
   if (!monitor)
     return;
 
   MockMouseListener listener;
   // Ignore any callbacks.
   EXPECT_CALL(listener, OnMouseMoved(testing::_)).Times(testing::AnyNumber());
 
 #if !defined(OS_MACOSX)
   monitor->AddMouseListener(&listener);
   monitor->RemoveMouseListener(&listener);
 #endif  // !define(OS_MACOSX)
 
   monitor->EnableKeyPressMonitoring();
   monitor->DisableKeyPressMonitoring();
 
   monitor.reset();
   run_loop.RunUntilIdle();
 }
 
 }  // namespace media