Add language_prefs namespace to language_preferences.h.

chrome/browser/chromeos/input_method/input_method_util.cc

 // Copyright (c) 2010 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 <map>
 #include <utility>
 
@@ skipping 542 matching lines @@
   }
   return result;
 }
 
 void EnableInputMethods(const std::string& language_code, InputMethodType type,
                         const std::string& initial_input_method_id) {
   std::vector<std::string> input_method_ids;
   GetInputMethodIdsFromLanguageCode(language_code, type, &input_method_ids);
 
   if (std::count(input_method_ids.begin(), input_method_ids.end(),
-                 kHardwareKeyboardLayout) == 0) {
-    input_method_ids.push_back(kHardwareKeyboardLayout);
+                 language_prefs::kHardwareKeyboardLayout) == 0) {
+    input_method_ids.push_back(language_prefs::kHardwareKeyboardLayout);
   }
   // First, sort the vector by input method id, then by its display name.
   std::sort(input_method_ids.begin(), input_method_ids.end());
   SortInputMethodIdsByNames(&input_method_ids);
 
   // Update ibus-daemon setting.
   ImeConfigValue value;
   value.type = ImeConfigValue::kValueTypeStringList;
   value.string_list_value = input_method_ids;
   InputMethodLibrary* library = CrosLibrary::Get()->GetInputMethodLibrary();
-  library->SetImeConfig(kGeneralSectionName, kPreloadEnginesConfigName, value);
+  library->SetImeConfig(language_prefs::kGeneralSectionName,
+                        language_prefs::kPreloadEnginesConfigName, value);
   if (!initial_input_method_id.empty()) {
     library->ChangeInputMethod(initial_input_method_id);
   }
 }
 
 }  // namespace input_method
 }  // namespace chromeos