Adds ozone support for ime keyboard.

chromeos/ime/ime_keyboard_x11.h

 // Copyright 2014 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 "chromeos/ime/ime_keyboard.h"
 
 #include <cstdlib>
 #include <cstring>
 #include <queue>
@@ skipping 20 matching lines @@
 
 namespace chromeos {
 namespace input_method {
 namespace {
 
 class ImeKeyboardX11 : public ImeKeyboard {
  public:
   ImeKeyboardX11();
   virtual ~ImeKeyboardX11();
 
-  // Adds/removes observer.
-  virtual void AddObserver(Observer* observer) override;
-  virtual void RemoveObserver(Observer* observer) override;
-
   // ImeKeyboard:
   virtual bool SetCurrentKeyboardLayoutByName(
       const std::string& layout_name) override;
   virtual bool ReapplyCurrentKeyboardLayout() override;
   virtual void ReapplyCurrentModifierLockStatus() override;
   virtual void DisableNumLock() override;
   virtual void SetCapsLockEnabled(bool enable_caps_lock) override;
   virtual bool CapsLockIsEnabled() override;
   virtual bool IsISOLevel5ShiftAvailable() const override;
   virtual bool IsAltGrAvailable() const override;
@@ skipping 19 matching lines @@
 
   // Polls to see setxkbmap process exits.
   void PollUntilChildFinish(const base::ProcessHandle handle);
 
   // Called when execve'd setxkbmap process exits.
   void OnSetLayoutFinish();
 
   const bool is_running_on_chrome_os_;
   unsigned int num_lock_mask_;
 
-  // The current Caps Lock status. If true, enabled.
-  bool current_caps_lock_status_;
-
-  // The XKB layout name which we set last time like "us" and "us(dvorak)".
-  std::string current_layout_name_;
-
   // A queue for executing setxkbmap one by one.
   std::queue<std::string> execute_queue_;
 
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<ImeKeyboardX11> weak_factory_;
 
-  ObserverList<Observer> observers_;
-
   DISALLOW_COPY_AND_ASSIGN(ImeKeyboardX11);
 };
 
 
 }  // namespace
 
 } // namespace input_method
 } // namespace chromeos