Move the local struct definitions off ui/base/ime.

ui/base/ime/ime_engine_observer.h

-// Copyright 2015 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_BASE_IME_IME_ENGINE_OBSERVER_H_
-#define UI_BASE_IME_IME_ENGINE_OBSERVER_H_
-
-#include "build/build_config.h"
-#include "ui/base/ime/ime_engine_handler_interface.h"
-
-namespace ui {
-
-class IMEEngineObserver {
- public:
-  virtual ~IMEEngineObserver() {}
-
-  // Called when the IME becomes the active IME.
-  virtual void OnActivate(const std::string& engine_id) = 0;
-
-  // Called when a text field gains focus, and will be sending key events.
-  virtual void OnFocus(
-      const IMEEngineHandlerInterface::InputContext& context) = 0;
-
-  // Called when a text field loses focus, and will no longer generate events.
-  virtual void OnBlur(int context_id) = 0;
-
-  // Called when the user pressed a key with a text field focused.
-  virtual void OnKeyEvent(
-      const std::string& engine_id,
-      const IMEEngineHandlerInterface::KeyboardEvent& event,
-      IMEEngineHandlerInterface::KeyEventDoneCallback& key_data) = 0;
-
-  // Called when Chrome terminates on-going text input session.
-  virtual void OnReset(const std::string& engine_id) = 0;
-
-  // Called when the IME is no longer active.
-  virtual void OnDeactivated(const std::string& engine_id) = 0;
-
-  // Called when composition bounds are changed.
-  virtual void OnCompositionBoundsChanged(
-      const std::vector<gfx::Rect>& bounds) = 0;
-
-  // Returns whether the observer is interested in key events.
-  virtual bool IsInterestedInKeyEvent() const = 0;
-
-  // Called when a surrounding text is changed.
-  virtual void OnSurroundingTextChanged(const std::string& engine_id,
-                                        const std::string& text,
-                                        int cursor_pos,
-                                        int anchor_pos,
-                                        int offset_pos) = 0;
-
-// ChromeOS only APIs.
-#if defined(OS_CHROMEOS)
-
-  enum MouseButtonEvent {
-    MOUSE_BUTTON_LEFT,
-    MOUSE_BUTTON_RIGHT,
-    MOUSE_BUTTON_MIDDLE,
-  };
-
-  // Called when an InputContext's properties change while it is focused.
-  virtual void OnInputContextUpdate(
-      const IMEEngineHandlerInterface::InputContext& context) = 0;
-
-
-
-  // Called when the user clicks on an item in the candidate list.
-  virtual void OnCandidateClicked(const std::string& engine_id,
-                                  int candidate_id,
-                                  MouseButtonEvent button) = 0;
-
-  // Called when a menu item for this IME is interacted with.
-  virtual void OnMenuItemActivated(const std::string& engine_id,
-                                   const std::string& menu_id) = 0;
-#endif
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_IME_IME_ENGINE_OBSERVER_H_