Add action for each button on opt-in IME menu.

ui/base/ime/chromeos/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_INPUT_METHOD_MANAGER_H_
 #define UI_BASE_IME_CHROMEOS_INPUT_METHOD_MANAGER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 285 matching lines @@
 
   // Notifies the input.ime.setMenuItems or input.ime.updateMenuItems API is
   // called to update the IME menu items.
   virtual void NotifyImeMenuItemsChanged(
       const std::string& engine_id,
       const std::vector<MenuItem>& items) = 0;
 
   // Notify the IME menu activation changed if the current profile's activation
   // is different from previous.
   virtual void MaybeNotifyImeMenuActivationChanged() = 0;
+
+  // Overrides the keyboard url ref (stuff following '#' to the end of the
+  // string) with the given keyset (emoji, handwriting or voice).
+  virtual void OverrideKeyboardUrlRef(const std::string& keyset) = 0;
+
+  // Returns whether the extra inputs: emoji, handwriting and voice inputs on
+  // opt-in IME menu has been enabled.
+  virtual bool IsEmojiHandwritingVoiceOnImeMenuEnabled() = 0;
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_INPUT_METHOD_MANAGER_H_