Hide handwriting and voice buttons when keyboard is in restricted state

ui/base/ime/chromeos/mock_input_method_manager.h

Index: ui/base/ime/chromeos/mock_input_method_manager.h
diff --git a/ui/base/ime/chromeos/mock_input_method_manager.h b/ui/base/ime/chromeos/mock_input_method_manager.h
index 62ae04c8f6cc9c4c319d69c612648366e029a6f4..d59c28800da187d5ec76017e8c3b5b53f58582e4 100644
--- a/ui/base/ime/chromeos/mock_input_method_manager.h
+++ b/ui/base/ime/chromeos/mock_input_method_manager.h
@@ -105,8 +105,12 @@ class UI_BASE_IME_EXPORT MockInputMethodManager : public InputMethodManager {
   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);
 };