Revert of Adds ozone support for ime keyboard.

chromeos/ime/fake_ime_keyboard.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.
 
 #ifndef CHROMEOS_IME_FAKE_IME_KEYBOARD_H_
 #define CHROMEOS_IME_FAKE_IME_KEYBOARD_H_
 
 #include "chromeos/ime/ime_keyboard.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
 
 namespace chromeos {
 namespace input_method {
 
 class CHROMEOS_EXPORT FakeImeKeyboard : public ImeKeyboard {
  public:
   FakeImeKeyboard();
   virtual ~FakeImeKeyboard();
 
+  virtual void AddObserver(Observer* observer) override;
+  virtual void RemoveObserver(Observer* observer) override;
   virtual bool SetCurrentKeyboardLayoutByName(const std::string& layout_name)
       override;
-  virtual bool SetAutoRepeatRate(const AutoRepeatRate& rate) override;
-  virtual bool SetAutoRepeatEnabled(bool enabled) 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;
+  virtual bool SetAutoRepeatEnabled(bool enabled) override;
+  virtual bool SetAutoRepeatRate(const AutoRepeatRate& rate) override;
 
   int set_current_keyboard_layout_by_name_count_;
+  std::string last_layout_;
+  bool caps_lock_is_enabled_;
+  bool auto_repeat_is_enabled_;
   AutoRepeatRate last_auto_repeat_rate_;
   // TODO(yusukes): Add more variables for counting the numbers of the API calls
-  bool auto_repeat_is_enabled_;
 
  private:
+  ObserverList<Observer> observers_;
+
   DISALLOW_COPY_AND_ASSIGN(FakeImeKeyboard);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROMEOS_IME_FAKE_IME_KEYBOARD_H_