IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/event.h

 // Copyright (c) 2011 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_AURA_EVENT_H_
 #define UI_AURA_EVENT_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/event_types.h"
@@ skipping 21 matching lines @@
   const base::Time& time_stamp() const { return time_stamp_; }
   int flags() const { return flags_; }
 
   // The following methods return true if the respective keys were pressed at
   // the time the event was created.
   bool IsShiftDown() const { return (flags_ & ui::EF_SHIFT_DOWN) != 0; }
   bool IsControlDown() const { return (flags_ & ui::EF_CONTROL_DOWN) != 0; }
   bool IsCapsLockDown() const { return (flags_ & ui::EF_CAPS_LOCK_DOWN) != 0; }
   bool IsAltDown() const { return (flags_ & ui::EF_ALT_DOWN) != 0; }
 
+  // Returns true if the event has a valid |native_event_|.
+  bool HasNativeEvent() const;
+
  protected:
   Event(ui::EventType type, int flags);
   Event(const base::NativeEvent& native_event, ui::EventType type, int flags);
   Event(const Event& copy);
   void set_type(ui::EventType type) { type_ = type; }
   void set_flags(int flags) { flags_ = flags; }
   void set_delete_native_event(bool delete_native_event) {
     delete_native_event_ = delete_native_event;
   }
 
@@ skipping 180 matching lines @@
  private:
   float x_offset_;
   float y_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(ScrollEvent);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_EVENT_H_