event-rewrite: Clean up how events are rewritten.

ash/wm/event_rewriter_event_filter.h

Index: ash/wm/event_rewriter_event_filter.h
diff --git a/ash/wm/event_rewriter_event_filter.h b/ash/wm/event_rewriter_event_filter.h
deleted file mode 100644
index 86f7f5381193333adcd3d27c9a3e64de1b694d33..0000000000000000000000000000000000000000
--- a/ash/wm/event_rewriter_event_filter.h
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ASH_WM_EVENT_REWRITER_EVENT_FILTER_
-#define ASH_WM_EVENT_REWRITER_EVENT_FILTER_
-
-#include "ash/ash_export.h"
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/events/event_handler.h"
-
-namespace ash {
-
-class EventRewriterDelegate;
-
-namespace internal {
-
-// An event filter that rewrites or drops an event.
-class ASH_EXPORT EventRewriterEventFilter : public ui::EventHandler {
- public:
-  EventRewriterEventFilter();
-  virtual ~EventRewriterEventFilter();
-
-  void SetEventRewriterDelegate(scoped_ptr<EventRewriterDelegate> delegate);
-
- private:
-  // Overridden from ui::EventHandler:
-  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
-
-  scoped_ptr<EventRewriterDelegate> delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(EventRewriterEventFilter);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_WM_EVENT_REWRITER_EVENT_FILTER_