event-rewrite: Clean up how events are rewritten.

ash/wm/event_rewriter_event_filter.cc

Index: ash/wm/event_rewriter_event_filter.cc
diff --git a/ash/wm/event_rewriter_event_filter.cc b/ash/wm/event_rewriter_event_filter.cc
deleted file mode 100644
index dd87e2a48a0fbf6f8c8f656edb2f7b1335a8e042..0000000000000000000000000000000000000000
--- a/ash/wm/event_rewriter_event_filter.cc
+++ /dev/null
@@ -1,56 +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.
-
-#include "ash/wm/event_rewriter_event_filter.h"
-
-#include "ash/event_rewriter_delegate.h"
-#include "base/logging.h"
-#include "ui/events/event.h"
-
-namespace ash {
-namespace internal {
-
-EventRewriterEventFilter::EventRewriterEventFilter() {}
-
-EventRewriterEventFilter::~EventRewriterEventFilter() {}
-
-void EventRewriterEventFilter::SetEventRewriterDelegate(
-    scoped_ptr<EventRewriterDelegate> delegate) {
-  delegate_ = delegate.Pass();
-}
-
-void EventRewriterEventFilter::OnKeyEvent(ui::KeyEvent* event) {
-  if (!delegate_)
-    return;
-
-  // Do not consume a translated key event which is generated by an IME.
-  if (event->type() == ui::ET_TRANSLATED_KEY_PRESS ||
-      event->type() == ui::ET_TRANSLATED_KEY_RELEASE) {
-    return;
-  }
-
-  switch (delegate_->RewriteOrFilterKeyEvent(event)) {
-    case EventRewriterDelegate::ACTION_REWRITE_EVENT:
-      break;
-    case EventRewriterDelegate::ACTION_DROP_EVENT:
-      event->StopPropagation();
-      break;
-  }
-}
-
-void EventRewriterEventFilter::OnMouseEvent(ui::MouseEvent* event) {
-  if (!delegate_)
-    return;
-
-  switch (delegate_->RewriteOrFilterLocatedEvent(event)) {
-    case EventRewriterDelegate::ACTION_REWRITE_EVENT:
-      break;
-    case EventRewriterDelegate::ACTION_DROP_EVENT:
-      event->StopPropagation();
-      break;
-  }
-}
-
-}  // namespace internal
-}  // namespace ash