Move all white-listed input method indicator text from InputMethodUtil to manifests of IME extensio…

chromeos/ime/extension_ime_util.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 "chromeos/ime/extension_ime_util.h"
 
 #include "base/strings/string_util.h"
 
 namespace chromeos {
 
@@ skipping 98 matching lines @@
 }
 
 bool IsMemberOfExtension(const std::string& input_method_id,
                          const std::string& extension_id) {
   return StartsWithASCII(input_method_id,
                          kExtensionIMEPrefix + extension_id,
                          true /* Case sensitive */);
 }
 
 bool IsKeyboardLayoutExtension(const std::string& input_method_id) {
-  std::string prefix = kComponentExtensionIMEPrefix;
-  return StartsWithASCII(input_method_id, prefix + kXkbExtensionId, true);
+  if (IsComponentExtensionIME(input_method_id))
+    return StartsWithASCII(GetComponentIDByInputMethodID(input_method_id),
+                           "xkb:", true);
+  return false;
 }
 
 std::string MaybeGetLegacyXkbId(const std::string& input_method_id) {
   if (IsKeyboardLayoutExtension(input_method_id))
     return GetComponentIDByInputMethodID(input_method_id);
   return input_method_id;
 }
 
 }  // namespace extension_ime_util
 }  // namespace chromeos