Make InputMethodEngine to inherit from new added class InputMethodEngineBase.

chrome/browser/chromeos/input_method/input_method_engine.h

 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 #include "base/time/time.h"
+#include "chrome/browser/input_method/input_method_engine_base.h"
 #include "ui/base/ime/chromeos/input_method_descriptor.h"
 #include "ui/base/ime/ime_engine_handler_interface.h"
 #include "ui/base/ime/ime_engine_observer.h"
 #include "url/gurl.h"
 
 class Profile;
 
 namespace ui {
 class CandidateWindow;
 struct CompositionText;
 class IMEEngineHandlerInterface;
 class IMEEngineObserver;
 class KeyEvent;
 
 namespace ime {
 struct InputMethodMenuItem;
 }  // namespace ime
 }  // namespace ui
 
+namespace input_method {
+class InputMethodEngineBase;
+}
+
 namespace chromeos {
 
-class InputMethodEngine : public ui::IMEEngineHandlerInterface {
+class InputMethodEngine : public ::input_method::InputMethodEngineBase {
  public:
   InputMethodEngine();
 
   ~InputMethodEngine() override;
 
-  void Initialize(scoped_ptr<ui::IMEEngineObserver> observer,
-                  const char* extension_id,
-                  Profile* profile);
-
   // IMEEngineHandlerInterface overrides.
-  const std::string& GetActiveComponentId() const override;
-  bool SetComposition(int context_id,
-                      const char* text,
-                      int selection_start,
-                      int selection_end,
-                      int cursor,
-                      const std::vector<SegmentInfo>& segments,
-                      std::string* error) override;
-  bool ClearComposition(int context_id, std::string* error) override;
-  bool CommitText(int context_id,
-                  const char* text,
-                  std::string* error) override;
   bool SendKeyEvents(int context_id,
                      const std::vector<KeyboardEvent>& events) override;
   const CandidateWindowProperty& GetCandidateWindowProperty() const override;
   void SetCandidateWindowProperty(
       const CandidateWindowProperty& property) override;
   bool SetCandidateWindowVisible(bool visible, std::string* error) override;
   bool SetCandidates(int context_id,
                      const std::vector<Candidate>& candidates,
                      std::string* error) override;
   bool SetCursorPosition(int context_id,
                          int candidate_id,
                          std::string* error) override;
   bool SetMenuItems(const std::vector<MenuItem>& items) override;
   bool UpdateMenuItems(const std::vector<MenuItem>& items) override;
   bool IsActive() const override;
-  bool DeleteSurroundingText(int context_id,
-                             int offset,
-                             size_t number_of_chars,
-                             std::string* error) override;
-
-  // IMEEngineHandlerInterface overrides.
-  void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context)
-      override;
-  void FocusOut() override;
   void Enable(const std::string& component_id) override;
-  void Disable() override;
   void PropertyActivate(const std::string& property_name) override;
-  void Reset() override;
-  void ProcessKeyEvent(const ui::KeyEvent& key_event,
-                       KeyEventDoneCallback& callback) override;
   void CandidateClicked(uint32_t index) override;
-  void SetSurroundingText(const std::string& text,
-                          uint32_t cursor_pos,
-                          uint32_t anchor_pos,
-                          uint32_t offset_pos) override;
   void HideInputView() override;
-  void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override;
-
-  int GetCotextIdForTesting() { return context_id_; }
-
-  bool IsInterestedInKeyEvent() const override;
 
  private:
-  bool CheckProfile() const;
   // Converts MenuItem to InputMethodMenuItem.
   void MenuItemToProperty(const MenuItem& item,
                           ui::ime::InputMethodMenuItem* property);
 
   // Enables overriding input view page to Virtual Keyboard window.
   void EnableInputView();
 
-  ui::TextInputType current_input_type_;
-
-  // ID that is used for the current input context.  False if there is no focus.
-  int context_id_;
-
-  // Next id that will be assigned to a context.
-  int next_context_id_;
-
-  // The input_component ID in IME extension's manifest.
-  std::string active_component_id_;
-
-  // The IME extension ID.
-  std::string extension_id_;
-
-  // The observer object recieving events for this IME.
-  scoped_ptr<ui::IMEEngineObserver> observer_;
-
-  // The current preedit text, and it's cursor position.
-  scoped_ptr<ui::CompositionText> composition_text_;
-  int composition_cursor_;
-
   // The current candidate window.
   scoped_ptr<ui::CandidateWindow> candidate_window_;
 
   // The current candidate window property.
   CandidateWindowProperty candidate_window_property_;
 
   // Indicates whether the candidate window is visible.
   bool window_visible_;
 
   // Mapping of candidate index to candidate id.
   std::vector<int> candidate_ids_;
 
   // Mapping of candidate id to index.
   std::map<int, int> candidate_indexes_;
-
-  // Used with SendKeyEvents and ProcessKeyEvent to check if the key event
-  // sent to ProcessKeyEvent is sent by SendKeyEvents.
-  const ui::KeyEvent* sent_key_event_;
-
-  Profile* profile_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_