MacViews: Replace NativeWidget::GetEventHandler() with RepostNativeEvent(..)

ui/views/widget/native_widget.h

Index: ui/views/widget/native_widget.h
diff --git a/ui/views/widget/native_widget.h b/ui/views/widget/native_widget.h
index 39255ffc9c10141bd2a9a456083b718a1c7ec615..d01265f81f8e6a0944c98bd4fc3af5405e0721fc 100644
--- a/ui/views/widget/native_widget.h
+++ b/ui/views/widget/native_widget.h
@@ -7,10 +7,6 @@
 
 #include "ui/views/widget/widget.h"
 
-namespace ui {
-class EventHandler;
-}
-
 namespace views {
 namespace internal {
 class NativeWidgetPrivate;
@@ -30,9 +26,6 @@ class VIEWS_EXPORT NativeWidget {
  public:
   virtual ~NativeWidget() {}
 
-  // Retrieves the event handler
-  virtual ui::EventHandler* GetEventHandler() = 0;
-
  private:
   friend class Widget;