Add Windows commandline switch --enable-views-textfield.

ui/views/events/event.h

Index: ui/views/events/event.h
diff --git a/ui/views/events/event.h b/ui/views/events/event.h
index af4a06a0dee450b6e83672beb03f4cf00fda3867..636d04b3ed5a43da78a12958da492eb4f7ed503d 100644
--- a/ui/views/events/event.h
+++ b/ui/views/events/event.h
@@ -291,9 +291,7 @@ class VIEWS_EXPORT KeyEvent : public Event {
   // event from the host environment). This is typically only used in testing as
   // some metadata obtainable from the underlying native event is not present.
   // It's also used by input methods to fabricate keyboard events.
-  KeyEvent(ui::EventType type,
-           ui::KeyboardCode key_code,
-           int event_flags);
+  KeyEvent(ui::EventType type, ui::KeyboardCode key_code, int event_flags);
 
   ui::KeyboardCode key_code() const { return key_code_; }
 
@@ -314,6 +312,9 @@ class VIEWS_EXPORT KeyEvent : public Event {
   // modifiers (except shift).
   uint16 GetUnmodifiedCharacter() const;
 
+  // Returns if the key is a numeric pad digit, regardless of NumLock state.
+  bool IsNumPadDigit() const;
+
  private:
   ui::KeyboardCode key_code_;