Initialize IMF with a whitelist of input methods so that login screen doesn't need to wait for comp…

chrome/browser/chromeos/input_method/input_method_util.cc

 // Copyright (c) 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/chromeos/input_method/input_method_util.h"
 
 #include <algorithm>
 #include <functional>
 #include <map>
 #include <utility>
@@ skipping 861 matching lines @@
 
   // Clear the existing maps.
   language_code_to_ids_.clear();
   id_to_language_code_.clear();
   id_to_descriptor_.clear();
   xkb_id_to_descriptor_.clear();
 
   for (size_t i = 0; i < supported_input_methods_->size(); ++i) {
     const InputMethodDescriptor& input_method =
         supported_input_methods_->at(i);
+    const std::string input_method_id =
+        extension_ime_util::GetInputMethodIDByKeyboardLayout(input_method.id());
     const std::vector<std::string>& language_codes =
         input_method.language_codes();
     for (size_t i = 0; i < language_codes.size(); ++i) {
       language_code_to_ids_.insert(
-          std::make_pair(language_codes[i], input_method.id()));
+          std::make_pair(language_codes[i], input_method_id));
       // Remember the pairs.
       id_to_language_code_.insert(
-          std::make_pair(input_method.id(), language_codes[i]));
+          std::make_pair(input_method_id, language_codes[i]));
     }
     id_to_descriptor_.insert(
-        std::make_pair(input_method.id(), input_method));
-    if (IsKeyboardLayout(input_method.id())) {
+        std::make_pair(input_method_id, input_method));
+    if (IsKeyboardLayout(input_method_id)) {
       xkb_id_to_descriptor_.insert(
           std::make_pair(input_method.GetPreferredKeyboardLayout(),
                          input_method));
     }
   }
 }
 
 }  // namespace input_method
 }  // namespace chromeos