Hide handwriting and voice buttons when keyboard is in restricted state

ui/base/ime/chromeos/mock_input_method_manager.h

 // Copyright (c) 2012 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_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_
 #define UI_BASE_IME_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_
 
 #include "base/macros.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 
@@ skipping 87 matching lines @@
       Profile* profile) override;
   scoped_refptr<InputMethodManager::State> GetActiveIMEState() override;
   void SetState(scoped_refptr<InputMethodManager::State> state) override;
   void ImeMenuActivationChanged(bool is_active) override;
   void NotifyImeMenuItemsChanged(
       const std::string& engine_id,
       const std::vector<InputMethodManager::MenuItem>& items) override;
   void MaybeNotifyImeMenuActivationChanged() override;
   void OverrideKeyboardUrlRef(const std::string& keyset) override;
   bool IsEmojiHandwritingVoiceOnImeMenuEnabled() override;
+  void SetImeMenuFeatureEnabled(ImeMenuFeature feature, bool enabled) override;
+  bool GetImeMenuFeatureEnabled(ImeMenuFeature feature) const override;
 
  private:
+  uint32_t features_enabled_state_;
+
   DISALLOW_COPY_AND_ASSIGN(MockInputMethodManager);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_