Remove the close button in context menu for IME menu.

chrome/browser/ui/ash/launcher/launcher_context_menu.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 
 #include <string>
 
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/metrics/user_metrics_recorder.h"
@@ skipping 132 matching lines @@
       }
     } else if (item_.type == ash::TYPE_DIALOG) {
       AddItem(MENU_CLOSE,
               l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
     } else {
       if (item_.type == ash::TYPE_PLATFORM_APP) {
         AddItem(
             MENU_PIN,
             l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_PIN));
       }
-      if (controller_->IsOpen(item_.id)) {
+      bool show_close_button = controller_->IsOpen(item_.id);
+#if defined(OS_CHROMEOS)
+      if (extension_misc::IsImeMenuExtensionId(
+              controller_->GetAppIDForShelfID(item_.id))) {
+        show_close_button = false;
+      }
+#endif
+      if (show_close_button) {
         AddItem(MENU_CLOSE,
                 l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
       }
     }
     AddSeparator(ui::NORMAL_SEPARATOR);
     if (item_.type == ash::TYPE_APP_SHORTCUT ||
         item_.type == ash::TYPE_WINDOWED_APP ||
         item_.type == ash::TYPE_PLATFORM_APP) {
       const extensions::MenuItem::ExtensionKey app_key(
           controller_->GetAppIDForShelfID(item_.id));
@@ skipping 166 matching lines @@
     case MENU_CHANGE_WALLPAPER:
       ash::Shell::GetInstance()->user_wallpaper_delegate()->
           OpenSetWallpaperPage();
       break;
 #endif
     default:
       extension_items_->ExecuteCommand(command_id, NULL,
                                        content::ContextMenuParams());
   }
 }