Allow component IME extension use app.window and add 'ime' window type for app window

extensions/common/permissions/api_permission.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 EXTENSIONS_COMMON_PERMISSIONS_API_PERMISSION_H_
 #define EXTENSIONS_COMMON_PERMISSIONS_API_PERMISSION_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 95 matching lines @@
     kGeolocation,
     kHid,
     kHistory,
     kHomepage,
     kHotwordPrivate,
     kIdentity,
     kIdentityEmail,
     kIdentityPrivate,
     kIdltest,
     kIdle,
+    kImeWindowEnabled,
     kInfobars,
     kInput,
     kInputMethodPrivate,
     kLocation,
     kLogPrivate,
     kManagement,
     kMediaGalleries,
     kMediaGalleriesPrivate,
     kMediaPlayerPrivate,
     kMetricsPrivate,
@@ skipping 239 matching lines @@
   const char* const name_;
   const int flags_;
   const int l10n_message_id_;
   const PermissionMessage::ID message_id_;
   const APIPermissionConstructor api_permission_constructor_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_PERMISSIONS_API_PERMISSION_H_