Removes mouse listeners from UserInputMonitor.

media/base/keyboard_event_counter.cc

Index: media/base/keyboard_event_counter.cc
diff --git a/media/base/keyboard_event_counter.cc b/media/base/keyboard_event_counter.cc
index 8432aec37e38171d0dd1ef24057d91a6af8d0dfd..7c761c16d01242a9dc632ed28a95caf4b1e294e0 100644
--- a/media/base/keyboard_event_counter.cc
+++ b/media/base/keyboard_event_counter.cc
@@ -19,17 +19,16 @@ void KeyboardEventCounter::Reset() {
       reinterpret_cast<base::subtle::AtomicWord*>(&total_key_presses_), 0);
 }
 
-void KeyboardEventCounter::OnKeyboardEvent(ui::EventType event,
+void KeyboardEventCounter::OnKeyboardEvent(bool down,
                                            ui::KeyboardCode key_code) {
   // Updates the pressed keys and the total count of key presses.
-  if (event == ui::ET_KEY_PRESSED) {
+  if (down) {
     if (pressed_keys_.find(key_code) != pressed_keys_.end())
       return;
     pressed_keys_.insert(key_code);
     base::subtle::NoBarrier_AtomicIncrement(
         reinterpret_cast<base::subtle::AtomicWord*>(&total_key_presses_), 1);
   } else {
-    DCHECK_EQ(ui::ET_KEY_RELEASED, event);
     pressed_keys_.erase(key_code);
   }
 }