Removes mouse listeners from UserInputMonitor.

media/base/keyboard_event_counter_unittest.cc

Index: media/base/keyboard_event_counter_unittest.cc
diff --git a/media/base/keyboard_event_counter_unittest.cc b/media/base/keyboard_event_counter_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0991c25b250c5f9005e8549ebc8569b33fc47fc9
--- /dev/null
+++ b/media/base/keyboard_event_counter_unittest.cc
@@ -0,0 +1,40 @@
+// Copyright 2016 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/keyboard_event_counter.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 "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkPoint.h"
+
+namespace media {
+
+TEST(KeyboardEventCounterTest, 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());
+}
+
+}  // namespace media