Make input_methods.txt to be able to specify indicator string.

chrome/browser/chromeos/input_method/input_method_engine.cc

 // 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.
 
 #include "chrome/browser/chromeos/input_method/input_method_engine.h"
 
 #define XK_MISCELLANY
 #include <X11/keysymdef.h>
 #include <X11/X.h>
 #include <X11/Xlib.h>
@@ skipping 78 matching lines @@
       manager->GetComponentExtensionIMEManager();
 
   if (comp_ext_ime_manager->IsInitialized() &&
       comp_ext_ime_manager->IsWhitelistedExtension(extension_id)) {
     imm_id_ = comp_ext_ime_manager->GetId(extension_id, engine_id);
   } else {
     imm_id_ = extension_ime_util::GetInputMethodID(extension_id, engine_id);
   }
 
   input_view_url_ = input_view;
-  descriptor_ = input_method::InputMethodDescriptor(imm_id_,
-                                                    engine_name,
-                                                    layouts,
-                                                    languages,
-                                                    false,  // is_login_keyboard
-                                                    options_page,
-                                                    input_view);
+  descriptor_ = input_method::InputMethodDescriptor(
+      imm_id_,
+      engine_name,
+      std::string(), // TODO(uekawa): Set short name.
+      layouts,
+      languages,
+      false,  // is_login_keyboard
+      options_page,
+      input_view);
 
   // TODO(komatsu): It is probably better to call AddInputMethodExtension
   // out of Initialize.
   manager->AddInputMethodExtension(imm_id_, this);
 }
 
 const input_method::InputMethodDescriptor& InputMethodEngine::GetDescriptor()
     const {
   return descriptor_;
 }
@@ skipping 500 matching lines @@
           // TODO(nona): Implement it.
           break;
       }
     }
   }
 
   // TODO(nona): Support item.children.
 }
 
 }  // namespace chromeos