Adds the UserInputMonitor implementation for Windows.

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 "base/basictypes.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "media/base/keyboard_event_counter.h"
+#include "media/base/user_input_monitor.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkPoint.h"
+
+namespace media {
+
+class MockMouseListener : public UserInputMonitor::MouseEventListener {
+ public:
+  MOCK_METHOD1(OnMouseMoved, void(const SkIPoint& position));
+
+  virtual ~MockMouseListener() {}
+};
+
+TEST(UserInputMonitorTest, KeyPressCounter) {
+  KeyboardEventCounter counter;
+
+  EXPECT_EQ(0u, counter.GetKeyPressCount());
+
+  counter.OnKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  EXPECT_EQ(1u, counter.GetKeyPressCount());
+
+  // Holding the same key without releasing it does not increase the count.
+  counter.OnKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  EXPECT_EQ(1u, counter.GetKeyPressCount());
+
+  // Releasing the key does not affect the total count.
+  counter.OnKeyboardEvent(ui::ET_KEY_RELEASED, ui::VKEY_0);
+  EXPECT_EQ(1u, counter.GetKeyPressCount());
+
+  counter.OnKeyboardEvent(ui::ET_KEY_PRESSED, ui::VKEY_0);
+  counter.OnKeyboardEvent(ui::ET_KEY_RELEASED, ui::VKEY_0);
+  EXPECT_EQ(2u, counter.GetKeyPressCount());
+}
+
+#ifndef DISABLE_USER_INPUT_MONITOR

[DaleCurtis, 2013/09/06 21:51:08]

!defined()

[jiayl, 2013/09/06 22:43:30]

Done.

+TEST(UserInputMonitorTest, CreatePlatformSpecific) {
+#if defined(OS_LINUX)
+  base::MessageLoop message_loop(base::MessageLoop::TYPE_IO);
+#else
+  base::MessageLoop message_loop(base::MessageLoop::TYPE_UI);
+#endif  // defined(OS_LINUX)
+
+  base::RunLoop run_loop;
+  scoped_ptr<UserInputMonitor> monitor = UserInputMonitor::Create(

[DaleCurtis, 2013/09/06 21:51:08]

Just stack allocate?

[jiayl, 2013/09/06 22:43:30]

But UserInputMonitor::Create returns scoped_ptr.

+      message_loop.message_loop_proxy(), message_loop.message_loop_proxy());
+
+  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();
+}
+#endif  // DISABLE_USER_INPUT_MONITOR
+
+}  // namespace media