Get basic KeyEvents working in RWHVA

ui/aura/event.h

Index: ui/aura/event.h
===================================================================
--- ui/aura/event.h	(revision 106345)
+++ ui/aura/event.h	(working copy)
@@ -127,7 +127,7 @@
 
 class AURA_EXPORT KeyEvent : public Event {
  public:
-  explicit KeyEvent(const base::NativeEvent& native_event);
+  KeyEvent(const base::NativeEvent& native_event, bool is_char);
 
   // Used for synthetic events in testing.
   KeyEvent(ui::EventType type,
@@ -135,9 +135,13 @@
            int flags);
 
   ui::KeyboardCode key_code() const { return key_code_; }
+  bool is_char() const { return is_char_; }
 
  private:
   ui::KeyboardCode key_code_;
+  // True if this is a translated character event (vs. a raw key down). Both
+  // share the same type: ui::ET_KEY_PRESSED.
+  bool is_char_;
 };
 
 }  // namespace aura