Replace Textfield::Keystroke with views::KeyEvent

views/event.cc

Index: views/event.cc
diff --git a/views/event.cc b/views/event.cc
index e047004b6682f449a180733628ff8fd273af8fde..3088aa34c10639b32dd450f69e8af7ff26e8361d 100644
--- a/views/event.cc
+++ b/views/event.cc
@@ -25,10 +25,10 @@ LocatedEvent::LocatedEvent(const LocatedEvent& model, View* from, View* to)
     View::ConvertPointToView(from, to, &location_);
 }
 
-KeyEvent::KeyEvent(EventType type, app::KeyboardCode key_code,
+KeyEvent::KeyEvent(EventType type, app::KeyboardCode keyboard_code,
                    int event_flags, int repeat_count, int message_flags)
     : Event(type, event_flags),
-      key_code_(key_code),
+      keyboard_code_(keyboard_code),
       repeat_count_(repeat_count),
       message_flags_(message_flags) {
 }