Refactoring the ownership of ui::InputMethod.

ui/wm/core/input_method_event_filter.h

Index: ui/wm/core/input_method_event_filter.h
diff --git a/ui/wm/core/input_method_event_filter.h b/ui/wm/core/input_method_event_filter.h
deleted file mode 100644
index c6bd65af352cc6a542c1d62f1d64a2be3989538c..0000000000000000000000000000000000000000
--- a/ui/wm/core/input_method_event_filter.h
+++ /dev/null
@@ -1,50 +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 UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_
-#define UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/base/ime/input_method_delegate.h"
-#include "ui/events/event_handler.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/wm/wm_export.h"
-
-namespace ui {
-class EventProcessor;
-class InputMethod;
-}
-
-namespace wm {
-
-// An event filter that forwards a KeyEvent to a system IME, and dispatches a
-// TranslatedKeyEvent to the root window as needed.
-class WM_EXPORT InputMethodEventFilter
-    : public ui::EventHandler,
-      public ui::internal::InputMethodDelegate {
- public:
-  explicit InputMethodEventFilter(gfx::AcceleratedWidget widget);
-  ~InputMethodEventFilter() override;
-
-  void SetInputMethodPropertyInRootWindow(aura::Window* root_window);
-
-  ui::InputMethod* input_method() const { return input_method_.get(); }
-
- private:
-  // Overridden from ui::EventHandler:
-  void OnKeyEvent(ui::KeyEvent* event) override;
-
-  // Overridden from ui::internal::InputMethodDelegate:
-  bool DispatchKeyEventPostIME(const ui::KeyEvent& event) override;
-
-  scoped_ptr<ui::InputMethod> input_method_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputMethodEventFilter);
-};
-
-}  // namespace wm
-
-#endif  // UI_WM_CORE_INPUT_METHOD_EVENT_FILTER_H_