Remove already done TODO item.

chromeos/ime/component_extension_ime_manager.h

 // Copyright 2013 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_COMPONENT_EXTENSION_IME_MANAGER_H_
 #define CHROMEOS_IME_COMPONENT_EXTENSION_IME_MANAGER_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/ime/input_method_descriptor.h"
 
 namespace chromeos {
 
 // Represents an engine in component extension IME.
 struct CHROMEOS_EXPORT ComponentExtensionEngine {
   ComponentExtensionEngine();
   ~ComponentExtensionEngine();
   std::string engine_id;  // The engine id.
   std::string display_name;  // The display name.
   std::vector<std::string> language_codes;  // The engine's language(ex. "en").
   std::string description;  // The engine description.
   std::vector<std::string> layouts;  // The list of keyboard layout of engine.
 };
 
 // Represents a component extension IME.
-// TODO(nona): Use GURL for |option_page_url| instead of string.
 struct CHROMEOS_EXPORT ComponentExtensionIME {
   ComponentExtensionIME();
   ~ComponentExtensionIME();
   std::string id;  // extension id.
   std::string manifest;  // the contents of manifest.json
   std::string description;  // description of extension.
   GURL options_page_url; // an URL to option page.
   GURL input_view_url; // an URL to input view page.
   base::FilePath path;
   std::vector<ComponentExtensionEngine> engines;
@@ skipping 91 matching lines @@
   ObserverList<Observer> observers_;
 
   bool is_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ComponentExtensionIMEManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_IME_COMPONENT_EXTENSION_IME_MANAGER_H_